Question

Find the Area of the figure below, composed of a rectangle with a semicircle removed from it. Round to the nearest tenths place.

Answer 1

Area = 57.7

Explanation:

Area of Rectangle - Area of semicircle
= (16 X 4) - (1/2 X π X 2^2)

= 64 - 2π

= 57.7

Answer 2

57.7 square units

Explanation:

The area of rectangle = length* breadth

over here

length= 16

breadth= 4

Now, substituting value

Area of rectangle = 16*4 =64 square units

Again

Area of semi circle = ½*πr²

over here

Diameter= 4

radius= diameter/2 =4/2 =2

Now,

Area of semi circle = ½* π*2²

Area of semi circle = 2π square units

Now,

Area of figure below, composed of a rectangle with a semicircle removed from it = Area of rectangle - Area of semi circle

Area of figure = 64-2π

Area of figure = 64-2*3.14

Area of figure= 57.7 square units

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