Right Triangle Trigonometry — Test Answers

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Given right triangle ABC , what is the value of tangent of cap A ?

12 over 13

13 over 12

5 over 13

12 fifths

Which equation correctly uses the law of cosines to solve for y ?

9 squared is equal to y squared plus 19 squared minus 2 y 19 cosine open paren 41 degrees close paren

9 squared is equal to y squared plus 19 squared minus 2 9 19 cosine open paren 41 degrees close paren

y squared is equal to 9 squared plus 19 squared minus 2 9 19 cosine open paren 41 degrees close paren

y squared is equal to 9 squared plus 19 squared minus 2 y 19 cosine open paren 41 degrees close paren

Which equation correctly uses the value of b to solve for A ?

tangent of open paren 22.6 degrees close paren is equal to A over 13

tangent of open paren 22.6 degrees close paren is equal to A over 12

tangent of open paren 22.6 degrees close paren is equal to 12 over A

tangent of open paren 22.6 degrees close paren is equal to 13 over A

What is the length of line segment AB ? Round to the nearest tenth.

68 point 0 in.

21 point 3 in.

19 point 3 in.

23 point 5 in.

What is the length of line segment AB ?

4 inches

1 inch

4 square root of 3 inches

square root of 3 inches

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