SAT Math Multiple Choice Practice Question 486: Answer and Explanation

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Question: 486

6. In ΔABC, and . If AC = 10, what is the area of the triangle?

A. 10
B. 25
C. 50
D. 50
E. 100

Correct Answer: B


B This is a right triangle with two equal sides, so it is a 45°-45°-90° triangle. must be the hypotenuse, so the legs are each . The legs are also the height and base of the triangle. A = bh, so .

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