2 years ago

Please help me find the area of this shape

Mathematics

1 answer:

Sloan [31]2 years ago

7 0

Answer:

73.5 cm²

Step-by-step explanation:

Find the area of the rectangle:

A = (3 + 12)*7 = 15*7 = 105 cm²

Find the area of triangles:

A = 1/2(3 + 15 - 9)*7 = 1/2*9*7 = 31.5 cm²

Find the shaded area:

A = 105 - 31.5 = 73.5 cm²

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