140°
Pentagons add up to 540° so if you add all the degrees you get 400° and if subtracted from 540° you get 140°
The answer is 6 cm. The mid segment is half of BC
10 / 1 is a rational and which is equal to 10 so 10 is also a rational number
Look at the sides of the triangles. find the sides that are corresponding, or matching.
