w arm -u p name the type of angle by the degree measure. 1.78 o 2.180 o 3.120 o 4.13 o
TRANSCRIPT
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WARM-UP
Name the type of angle by the degree measure.
1. 78o 2.180o
3. 120o 4.13o
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Pre-Algebra
9.5 THE PYTHAGOREAN THEOREM
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RIGHT TRIANGLE
Hypotenuse the LONGEST side of
a right triangle OPPOSITE of the right angle
Legs the sides of a right
triangle that are ADJACENT to the right angle
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PYTHAGOREAN THEOREM
Pythagorean Theorem
describes the relationship between the lengths of the legs and the hypotenuse.
TRUE FOR ANY RIGHT TRIANGLE!!!!
a2 + b2 = c2
“a” and “b” represent the measures of the legs of the right triangle
“c” represents the measure of the hypotenuse of the right triangle
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EXAMPLES
Find the measures of the missing lengths of the right triangle. – SHOW ALL WORK!!!!!!
1.
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EXAMPLES
Find the measures of the missing lengths of the right triangle. – SHOW ALL WORK!!!!!!
2.
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EXAMPLES
Find the measures of the missing lengths of the right triangle. – SHOW ALL WORK!!!!!!
3.
20 cm
C cm
15 cm
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EXAMPLES
Find the measures of the missing lengths of the right triangle. – SHOW ALL WORK!!!!!!
4.
14 cm
22 cm
B cm
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EXAMPLES
The measures of three sides of a triangle are given. Determine whether each triangle is a right triangle or not.
4. 48ft, 60ft, 78ft
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EXAMPLES
The measures of three sides of a triangle are given. Determine whether each triangle is a right triangle or not.
5. 24cm, 70cm, 74cm
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STUDY GUIDE AND INTERVENTION
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STUDY GUIDE AND INTERVENTION
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STUDY GUIDE AND INTERVENTION
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HOMEWORK
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HOMEWORK