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The semicircle below has a diameter of 20, find the area of the blue region

 

 Apr 4, 2020
edited by JosTheDude  Apr 4, 2020

7+0 Answers

 #1
avatar+188 
+2

You can minus the area of the triangle from the area of the semi-circle, and that'll give you the answer laugh

 Apr 4, 2020
 #3
avatar+29 
+2

I got 61.08 by doing that but still it was wrong :(

JosTheDude  Apr 4, 2020
 #6
avatar+188 
+1

Hmm.. is the answer supposed to be in terms of pi?

milkcloud  Apr 4, 2020
 #2
avatar+538 
+2

you will get 50pi-96 as ur answer

 Apr 4, 2020
 #5
avatar+29 
+1

Thanks, that helps a lot :D

JosTheDude  Apr 4, 2020
 #4
avatar+2094 
-1

To be more specific...

 

Formula for area of a semicircle: A=pi*r^2/2

Formula for area of a triangle: A=B*H/2

 Apr 4, 2020
 #7
avatar+188 
+1

Also...

The same question was posted here as well: https://web2.0calc.com/questions/help-me-asap-please_2#r2

 Apr 4, 2020

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