Respuesta :

Answer: 1016 cm^2

Step-by-step explanation:

2 Triangular ends: 12×14=168 each. +336

2 sides 10×25=250 each. +500

1 base 10×14= 140. +140

Add all parts:. 336+500+140=976 square centimeters.

I hope you see how this works.