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What is the measure of ∠J in this quadrilateral?
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What is the measure of ∠J in this quadrilateral?

What is the measure of ∠J in this quadrilateral?-example-1
User MOleYArd
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1 Answer

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180(4-20)=360
∠H=78
∠I=78
∠G=124
so, 360-78-78-124=80
so ∠J must equal 80
User Sartoris
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