Question 42 Answer and Explanation _ACT December 2015 Form 72E Math Section

Question 42 Answer and Explanation _ACT December 2015 Form 72E Math Section

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Use the following information to answer questions 41-44.

In the standard (x, y) coordinate plane below, R is located at (1, 0), S is located at (1, 2), and T is located at (4, 0) to form right triangle △RST. The given lengths are in coordinate units.

42. What is the midpoint of ST ?

F. (2, 1)

G. $\left({2,\,\frac{3}{2}}\right)$

H. $\left({\frac{5}{2},1}\right)$

J. $\left({3,\,\frac{1}{2}}\right)$

K. $\left({3,\,\frac{3}{2}}\right)$

Answer and Explanation

Your Answer is

Correct Answer is H

Explanation