Objectives

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Objectives

• Students will be able to apply perimeter, area,
  and circumference formulas to solve problem.

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The perimeter P of a plane figure is the sum of
the side lengths of the figure.
The area A of a plane figure is the number of
non-overlapping square units of a given size that
exactly cover the figure.
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The base b can be any side of a triangle. The
height h is a segment forms a right angle with
the base. The height may be a side of the
triangle or in the interior or the exterior of
the triangle.
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Whats my base and whats my height?
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Perimeter and Area with Algebra
Find the area and perimeter of each figure. 1.
2.
x2 4x 4x 8
10x 4x 16
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The circumference of a circle is the distance
around the circle. perimeter of the circle
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Find circumference and area of circles
Find the area and perimeter of each circle. 1.
2.
 
 
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Find Circumference and Areas of Circles
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Find Circumference and Areas of Circles
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1.5 HW answer 1. 12 ft 2. 6
ft2 3. 2.4 ft or ft 4. P ? 9.6 m A ? 5.76
m2 5. P ? 2x ? 20 A ? 7x ? 21 6. circumference
7. C ? 44 mi A ? 154 mi2 8.
2 in. 9. 19 m
10. 12.5 mm
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Apply Formulas of Perimeter,
Circumference and Areas
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Apply Formulas of Perimeter,
Circumference and Areas
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Group wprk- Application in Real LIfe
A landscaper is installing a brick patio in the
backyard. He is building a rock wall around the
perimeter of the patio. 1. What is the area
needed for the brick patio? 2. What is the
perimeter needed for building the brick wall?
 
28.56ft.