SAT Math Multiple Choice Practice Question 138: Answer and Explanation

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Question: 138

6.

What is the length of side b in the triangle above?

A.
B. 5
C.
D.
E. 25

Correct Answer: B

Explanation:

B. This question is a straightforward, Pythagorean Theorem problem. Just make sure you set it up correctly: (6 is the hypotenuse). Working out this problem gives you 11 + b2 = 36, b2 = 25, and b = 5.

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