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In the figure, with ∠BAC=40∘, what is the measure of ∠ABC (in degrees)?

 

 Jul 24, 2020
 #1
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The measure of ABC is 20 degrees... boomer

 Jul 24, 2020
 #2
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Angle(FHG) = 180 - 135 = 45

Angle(FGH) = 180 - 105 = 75

Angle(HFG) = 180 - (45 + 75) = 60

Angle(DFC) = angle(HFG) = 60

Angle(FDC) = 180 - 119 = 61

Angle(DCF) = 180 - (60 + 61) = 59

Angle(BCA) = 180 - 59 = 121

Angle(CBA) = 180 - (40 + 121) = 19

 Jul 24, 2020

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