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In the figure below, isosceles triangle ABC with base AB has altitude CH = 24 cm, DE = GF, HF = 12 cm, and FB = 8 cm. find area of CDEFG

 

 May 9, 2021
 #1
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The area of CDEFG is 272.

 May 9, 2021
 #2
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DE / AE = CH / AH

 

[CDEFG] = (CH * AH) - (DE * AE)

 May 9, 2021
 #3
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corrections:  smiley

 

GF / BF = CH / BH

 

GF = (BF * CH) / BH

 

[CDEFG] = (CH * BH) - (GF * BF)

Guest May 9, 2021

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