20-02-2021
Mathematics

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If the length of the longest side of the rectangle is 20cm find the shaded area to the nearest hundredth

If the length of the longest side of the rectangle is 20cm find the shaded area to the nearest hundredth class=

Respuesta :

22-02-2021

Answer:

Step-by-step explanation:

diameter of each circle = 20/2 = 10 cm

rectangle is 20 cm by 10 cm

area of rectangle = 20×10 = 200 cm²

radius of each circle = 10/2 = 5 cm

area of each circle = πr² = 25π cm²

shaded area = 200 - 2(25π) = 200 - 50π =42.92 cm²

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