Respuesta :

lucy1302

Answer:

429 sq. cm

Explanation:

11 x 11 = 121

14 x 11 = 154 x 2 = 308

1ik

Answer:

429 sq. cm

Explanation:

the formula for a triangle is a = 1/2 bh, so each triangle would equal 77. there's 4 triangles so multiply 77 by 4, which is 308. the area of the square below would be 11×11 which is 121, so 121+308 would be 429 sq. cm