Respuesta :

Answer:

hi kenma-san!!!!!!

Step-by-step explanation:

A trapezoid with height 6.4 cm and parallel base is 12.9 cm and 8.6 cm.

We have to find the area of area of this trapezoid.

Area of trapezoid =

Given : Height = 6.4 cm

and parallel base is 12.9 cm and 8.6 cm.

Substitute, we have,

Area of trapezoid =

Simplify, we have,

Area of trapezoid =

Area of trapezoid = 68.8 cm²

Thus, The area of given trapezoid is 68.8 cm²