4 months ago
Q:

What is the length of side BC of the triangle?Enter your answer in the box.

Accepted Solution

A:
Answer:   [tex]\overline{\text{BC}}=\boxed{28}[/tex]Step-by-step explanation:The marked angles are congruent, so their opposite sides are congruent.   2x +7 = 4x -7   14 = 2x . . . . . . . add 7-2x   28 = 4x . . . . . .  multiply by 2 to find 4xThe length of BC is 28.