Mathematics: What is the area of the figure 65 in 64 in 140 in 180 in

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What is the area of the figure 65 in 64 in 140 - id65641401119067, makenziehook8

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xxblablaz799

20.07.2019

Look at the picture. $x=30in.-18in.=12in.\\\\a_1=18in.\cdot40in.=720in^2.\\\\a_2=12in.\cdot10in.=120in^2.$ $a_f=a_1+a_2\\\\a_f=720in^2.+120in^2.=820in^2.$ answer: area of the figure is equal 820in².if you want a circumference: look at the second picture.the circumference of the figure is equal the circumference of the rectangle30in. × 40in..the formula of the circumference of the rectangle: c = 2a + 2b.a = 30in. ; b = 40in.substitute: $c=2\cdot30in.+2\cdot40in.=60in.+80in.=140in.$ answer: the circumference of the figure is equal 140in.

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What is the area of the figure 65 in 64 in 140 in 180 in

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