Respuesta :

Answer:

27mm

Step-by-step explanation:

The area of a traignle is

A = 1/2 bh where b is the base and h is the height

202.5 = 1/2 b(15)

202.5 = 7.5b

Divide each side by 7.5

202.5 /7.5 = 7.5b/7.5

27 = b