Find the area of the figure to the nearest tenth. [Pic]

jernplate8

jernplate8

Answered question

2020-12-29

Find the area of the figure to the nearest tenth. [Pic]

Answer & Explanation

Anonym

Anonym

Skilled2020-12-30Added 108 answers

I guess we're supposed to know that the shape on the right is a half-circle. So then this is basically just a square with a half-circle bite taken out of it.
So let's calculate the area of the square before Pacman came along and chewed on it.
Area of the square=(6ft)×(6ft)=36ft2
Now let's figure out how much area is missing. The area is half of a circle with diameter 6 ft. So its radius is 3 ft. The area of a whole circle is given by π×radius2. So the area of the missing part is
Area of half of a circle=12×3.14×(3ft)2=14.1ft2
Now we know that the area of the green part is just the area of the full square minus the area of the part that's missing. Hence
Area=36ft214.1ft2
Area=21.9ft2

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