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Triangle XYZ is an equilateral triangle. YW‾ \overline{\rm YW} YW is an altitude of the triangle. If XY‾ \overline{\rm XY} XY is 10 in., what is the length of the altitude?

(A)5 in.

(B)5 √3 in.

(C)10 in.

(D)10 √3 in.

(E)5√2 in.

The Correct Answer

If the equation for the line shown in the following graph is , what is the value of kn?

(A) 9(B) 12(C) 15(D) 18(E) 24

Correct Answer: D

If a ratio is selected at random from the set img what is the probability that the ratio is greater than img

(A)img (B) img (C) img (D) img (E) img

Correct Answer: C

An isosceles trapezoid has bases of length 5 inches and 11 inches. The area of the trapezoid is 40 square inches. What is the height of the trapezoid, in inches?

(A)4 (B) 5 (C) 7.5 (D) 17.5 (E) 35

Correct Answer: B

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