Anyone know how to do this?

Mathematics

1 answer:

skad [1K]3 years ago

4 0

Area of the rectangle: 7 x 4 = 28 cm²

Area of one right triangle =(7 x 3)/2 = 21/2
But the second right angle triangle also equal 21/2

Total area 28+21/2 + 21/2 = 49 cm²

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