##### Geometry Chapter 8 Review

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created 5 years ago by kstedman
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Includes all of the formulas for the Chapter 8 Review.
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1 a2 + b2 = c2

2 x = 12

y = 10.39

3 What is sin A?

sin A = 12/13

4 What is cos A?

cos A = 5/13

5 What is tan A?

tan A = 12/5

6 What is sin B?

sin B = 5/13

7 What is cos B?

cos B = 12/13

8 What is tan B?

tan B = 5/12

9 What is the law of sines?

a = b = c

sin A sin B sin C

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

sin B = sin 95

16 27

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

a2 = b2 + c2 - 2bc cos A

12 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 Given the diagram, what is b equal to?

b = sqrt (d*e)

14 Given the diagram, what is a equal to?

a = sqrt (d*f)

15 16 Fiind AB.

AB = sqrt (3*12)

17 Find AC.

AC = sqrt (9*12)