Question 8 Answer and Explanation _ACT December 2010 Form 62E Math Section

Question 8 Answer and Explanation _ACT December 2010 Form 62E Math Section

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8. The triangles below are congruent, with △ABC ≌ ΔDEF. The following lengths are given in centimeters: AB = x + 1, AC = x, BC = x + 2, and DF = 3x - 8. What is the value of x ?

F. 2

G. $2\frac{1}{2}$

H. 4

J. $4\frac{1}{2}$

K. 5

Answer and Explanation

Your Answer is

Correct Answer is H

Explanation

congruent, congruent, so x=3x-8, x=4