Respuesta :

ig433
7 + 3 = 10
10 * 7 = 70 cm
Hope it helps ;)
The answer is 59.5. The combined area of the triangles is 10.5 (3*3.5[1/2 of 7]) centimetres, while the area of the square is 49 cm. Add the two together, and there's your answer.