Unit Test — Unit test

Question 1

The angle measures associated with which set of ordered pairs share the same reference angle?

Revolt · Accepted Answer

(Negative one-half, negative StartFraction StartRoot 3 EndRoot Over 2 EndFraction), (One-half, StartFraction StartRoot 3 EndRoot Over 2 EndFraction)

Question 2

The hypotenuse of a 45°-45°-90° triangle measures units.

Revolt · Accepted Answer

22 units

Question 3

The point P(x, y) is on the terminal ray of angle . If is between radians and radians and csc = , what are the coordinates of P(x, y)?

Revolt · Accepted Answer

P(, –2)

Question 4

Which classification best represents a triangle with side lengths 10 in., 12 in., and 15 in.?

Revolt · Accepted Answer

acute, because 102+122>152

Question 5

Triangle A B C is shown. Angle B C A is a right angle. The length of hypotenuse A B is 26, the length of A C is 10, and the length of B C is 24.

Revolt · Accepted Answer

Twelve-fifths

Unit Test — Unit test Answers