Area of a Parallelogram

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Area of a Parallelogram
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Area of a Triangle
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Circumference Area of a Circle
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Solid Figures
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Surface Area of a Prism
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Volume of a Prism
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Surface Area of a Prism
Volume of a Prism
Area of a Parallelogram
Area of a Triangle
Circumference Area of a Circle
Solid Figures
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What is the formula for the area of a
parallelogram?
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Area base x height(A b x h)
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What is the area of this parallelogram?
6 in.
8 in.
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Area base x height A 8 x 6 A 48 in.2
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The height of a parallelogram has to form what
type of line with the base?
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The height forms a perpendicular line with the
base.
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What is the area of this parallelogram?
5 cm.
7 cm.
10 cm.
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Area base x heightA 10 x 5A 50 cm.2
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What is the height of the parallelogram?
A 180 in.2
h ?
20 in.
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Area base x heightA b x h180 20 x h180
20 hheight 9 in.
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What is the formula for the area of a triangle?
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x base x height
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Find the area of the triangle shown below
3 m
11 m
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x base x height
 
X 11 x 3
A 16.5 m2
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Find the area of the triangle shown below
8 cm
16 cm
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x base x height
 
 

A 64 cm2
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Find the total area of the figure below
6 cm
10 cm
5 cm
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1. Area of rectangle A l x w A 10 x 6 A 60
cm2
 

• Add ALL areas together to get total area
• 60 15 75 cm2

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What is the height of the triangle below?
Area 50 in.2
h ?
20 in.
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50 10 x h
h 50 10 h 5 in.
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What is the formula for circumference of a circle?
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Circumference 2pr (C 2pr) Or Circumference
p diameter (C pd)
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What is the formula for area of a circle?
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Area pr2 (A pr2)
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Find the circumference of the circle below
5 in.
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Circumference pd C 3.14 x 10 C 31.4 in.
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Find the area of the circle below
12 ft.
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radius 12 2 r 6 ft. Area pr2 A 3.14 x
62 A 113.04 ft.2
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Find the circumference of the tree trunk
4 ft.
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Circumference pd C 3.14 x 4 C 12.56 ft.
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Classify the following solids
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Cylinder Rectangular Prism Triangular Prism
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Classify the following solids
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Cone Square pyramid Sphere
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Count the number of faces, edges, and vertices of
the figure below
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Faces 5 Edges 8 Vertices 5
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Count the number of faces, edges, and vertices of
the figure below
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Faces 6 Edges 12 Vertices 8
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Count the number of faces, edges, and vertices of
the figure below
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Faces 5 Edges 9 Vertices 6
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Find the surface area of the rectangular prism
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(front or back) 4 x 6 24 cm2 (left or right) 4
x 3 12 cm2 (top or bottom) 6 x 3 18 cm2 24
24 12 12 18 18 108 cm2
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Find the surface area of the cube
4 in
4 in
4 in.
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(front or back) 4 x 4 16 in.2 (left or right) 4
x 4 16 in.2 (top or bottom) 4 x 4 16
in.2 16 16 16 16 16 16 96 in.2
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You want to make a toy box that is 2 feet by 1
foot by 3 feet. A sheet of plywood is 4 feet by
8 feet. Do you have enough wood to construct the
box?
Plywood
4 ft.
3 ft.
8 ft.
1 ft.
2 ft.
Toy box
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3 ft.
4 ft.
1 ft.
8 ft.
2 ft.
Area of plywood A length x width A 8 x 4 A
32 ft.2
Toy box surface area 2 x 1 2 ft.2 2 x 3 6
ft.2 1 x 3 3 ft.2 2 2 6 6 3 3 22
ft.2
Yes, you will have enough wood, because 32 ft.2
is greater than 22 ft.2
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You want to wrap a gift that is 6 inches by 10
inches by 4 inches. The label on the wrapping
paper says it covers a total area of 250 in.2 Do
you have enough wrapping paper to cover the
entire box?
4 in.
10 in.
6 in.
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6 x 10 60 in.2 6 x 4 24 in.2 10 x 4 40
in.2 60 60 24 24 40 40 248
in.2 Yes, you do have enough wrapping paper,
because you have enough paper to cover 250 in.2
and the gift is only 248 in.2 (248 in.2 is less
than 250 in.2)
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Find the surface area of the figure below
6 ft.
3 ft.
4 ft.
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3 x 6 18 ft.2 3 x 4 12 ft.2 4 x 6 24 ft.2
6 ft.
3 ft.
4 ft.
18 18 12 12 24 24 108 ft.2
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What is the formula for finding the volume of a
solid?
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Volume length x width x height (V l x w x h)
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Find the volume of the rectangular prism below
2 in.
8 in.
6 in.
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Volume length x width x height V 6 x 8 x 2 V
96 in.3
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Find the volume of the rectangular prism below
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Volume length x width x height V 6 x 3 x 4 V
72 cm.3
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You have a cube whose dimensions for length,
width, and height are all the same. If the
volume of the cube is 125 in.3, what are the
dimensions for length, width, and height?
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Volume length x width x height 125 in.3 5
in. x 5 in. x 5 in. Length 5 inches Width 5
inches Height 5 inches
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A pool at an aquarium is a rectangular prism that
is 30 meters wide and 12 meters deep. The volume
of the pool is 21, 600 cubic meters. How long is
the pool?
12 m
30 m
?
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Volume length x width x height 21,600 L x 30
x 12 21,600 L x 360 L 21,600 360 L 60
m The length of the pool is 60 meters.
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Final Jeopardy
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