Geometry Chapter 8 Review

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created 4 years ago by kstedman
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Includes all of the formulas for the Chapter 8 Review.
Grade levels:
9th grade, 10th grade
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1
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a2 + b2 = c2

2
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x = 12

y = 10.39

3
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What is sin A?

sin A = 12/13

4
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What is cos A?

cos A = 5/13

5
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What is tan A?

tan A = 12/5

6
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What is sin B?

sin B = 5/13

7
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What is cos B?

cos B = 12/13

8
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What is tan B?

tan B = 5/12

9
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What is the law of sines?

a = b = c

sin A sin B sin C

10
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Using the law of sines, what is the equation to solve for <B?

sin B = sin 95

16 27

11
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If you are solving for a using the law of cosines, what formula do you use?

a2 = b2 + c2 - 2bc cos A

12
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If you are solving for x using the law of cosines, what formula do you use?

x2 = 72 + 112 - 2(7)(11)cos 50

13
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Given the diagram, what is b equal to?

b = sqrt (d*e)

14
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Given the diagram, what is a equal to?

a = sqrt (d*f)

15
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Find AD.

AD = sqrt (3*9)

16
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Fiind AB.

AB = sqrt (3*12)

17
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Find AC.

AC = sqrt (9*12)