Respuesta :

It is 175 cm squared

find the area of the base
= 7x7=49, then the area of each triangle
=31.5x 4=126
add 49+126=175.
yadiCeni
1)158.51 cm
2)561 cm
3)117
4)1.105 in
5)312*412*2
6)3/4 * 3/2 * 7/2 = (3*3*7) / (4*2*2) = 63/16 = 3 15/16
7)c 488 1/4 

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