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Circle $C$ has radius 10 cm. How many square centimeters are in the area of the largest possible inscribed triangle having one side as a diameter of circle $C$?

 Nov 6, 2020
 #1
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  A = 1/4(2r)2 cm²

 Nov 7, 2020
 #2
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Isoceles triangle      base = 10    height would be 5

1/2 * 10 * 5 = ......... cm2

 Nov 7, 2020
 #3
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the base is not 10; it's 20    So, area = 102 cm2

Guest Nov 7, 2020
 #4
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Base = 20

Height =   10

 

Area = 1/2 base * height =   1/2 * 20 * 10 = .........units 2

 Nov 7, 2020

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