In the construction of a segment congruent to a given segment shown, what is CD?

Question

asked Aug 9, 2019 171k views

1 Answer

Ashraful · Answer 1 · 2019-08-14T12:43:36+0000

If segments AB and CD are congruent, then they have equal lengths:

5x-2=2x+7.

Solve this equation.

1. Separate terms with x and without x in different sides:

5x-2x=7+2,

3x=9.

2. Divide by 3:

x=3.

Then CD=2x+7=2·3+7=6+7=13.

Answer: correct choice is B.