Angles and Lines

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Angles and Lines

• Can Be SOOOO Much FUN!
• Sanchez/Math

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What angle is this?
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RIGHT

• If you said a right angle, you are correct!
• A right angle measures exactly 90 degrees.
• Can you make a right angle with your arms?

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What kind of angle is this?
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Arent they ACUTE pair?

• If you said acute, you are correct.
• An acute angle measures less than 90 degrees.
  Acute angles can look many different ways.

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What kind of angle is this?
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OHHH its big!

• If you said Obtuse, you are correct!
• An obtuse angle measures more than 90 degrees.
• Obtuse kind of sounds like obese, which means
  overweight or big.

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Can you tell what kind of lines these are?
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Intersecting

• Intersecting lines meet or cross at exactly one
  point.
• Intersecting lines can be shown in many different
  ways.

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What kind of lines are these?
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What a pair!

• If you said parallel, you are correct.
• Parallel lines are in the same plane but do not
  meet or cross.
• Parallel lines are like train tracks.
• Did you know that the word parallel has parallel
  lines in it? Can you find them?

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What kind of lines are these?
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Perpendicular

• What a big word!
• Perpendicular lines meet or cross at right
  angles.
• Look at the picture. How many right angles do
  perpendicular lines make?

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Arent lines and angles fun?