Question

Solve for x.
A) 10
B) 12
C) 11
D) 13​

Answer 1

9514 1404 393

Answer:

B) 12

Explanation:

The base is twice the length of the midline.

QS = 2·YZ

3x -8 = 2(x +2) . . . . . . . substitute given values

3x -8 = 2x +4 . . . . . . eliminate parentheses

x = 12 . . . . . . . . . . . add 8-2x