Question

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Answer 1

Area of rectangle = 448

Area of semi circle = 402.1

Total area = 850.1

Explanation:

Area of rectangle = length times width

Given length = 32 cm

Given width = 14 cm

Area = 32 * 14 = 448

Area of semi circle = πr² / 2

where r = radius

Given diameter = 32cm

To convert diameter to radius simply divide by 2

32 / 2 = 16

So radius 16

now we plug 16 into the formula

`A=(\pi 16^2)/(2) \\16^2=256\\256\pi =804.25\\(804.25)/(2) =402.12\\A=402.1`(rounded)

Total area = area of semi circle plus area of rectangle

total area = 402.1 + 448 = 850.1

Answer 2

Solution given:

length [l]:diameter [d]:32cm

breadth [b]:14cm

radius [r]=32/2=16cm

Area of semi circle:½πr²=½*πx16²=402.12cm²

+

Area of rectangle:l*b=32*14=448cm²

=

Total area =402.12cm²+448cm²= 850.12cm²