A figure is chosen from inside the blue region. Which statement about that figure is true?

all 4 angles are congruent

Step-by-step explanation:

2 pairs of parallel sides.

4 right angles (90°).

Opposite sides are parallel and congruent.

All angles are congruent

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk