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Someone help please - area of circles!

Someone help please - area of circles!-example-1
User Adamrights
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1 Answer

4 votes
R=d/2
R=40/2
R=20
A=πr^2
A=π20^2
A=π400
A=1256.637061
Area of triangle=(b*h) /2
A=(40*20)/2
A=800/2
A=400
Area of circle-area of triangle=area of shaded region
1256.637061-400=856.637061
Hope this helps!
User Zin Kun
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6.4k points