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23-09-2020
Mathematics

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Find the area. Around your answer to decimal places

Find the area Around your answer to decimal places class=

Respuesta :

Аноним Аноним

23-09-2020

Answer:

86.20 ft²

Step-by-step explanation:

Hi there !

A = A₁ + A₂

A₁ =semicircle

A₁ = πr²/2

r = d/2 = 6.4ft/2 = 3.2 ft

A₁ = 3.14×(3.2ft)²/2 ≈ 32.15 ft²

A₂ = trapezium

A₂ = (b + B)×h/2

A₂ = (5.1ft + 6.4ft)×9.4ft/2 = 54.05 ft²

A = 32.15 ft² + 54.05 ft² = 86.20 ft²

Good luck !

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