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On the xy-plane, what is the area of a circle with this equation: (x+ 3)2+ (y– 4)2= 49?

(F) 5π

(G) 7π

(H) 25π

(J) 49π

(K) 125π

The Correct Answer
Explanation

In the diagram below, ABC is isosceles and BCD is equilateral. = and the measure of ABC is half the measure of BAC. What is the measure of ABD?

(F) 36° (G) 60° (H) 72° (J) 96° (K) 150°

Correct Answer: J

If , what is the value of cos a?

(F) (G) (H) (J) (K)

Correct Answer: H

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