shay150
shay150
20-03-2017
Mathematics
contestada
how to find the area of a polygon
Respuesta :
bcalle
bcalle
20-03-2017
The rectangle is 7 x 4 so the area is 28 sq cm
The triangle has a base of 4 and a height of 3.
The formula is A = 1/2 * b*h
You have 2 triangles so:
2(1/2)*4*3= 12 sq cm
Add together:
28 + 12= 40 sq cm
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