Tarmarra21 Tarmarra21

28-05-2017
Mathematics

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What is the value of x in the isosceles trapezoid below?

What is the value of x in the isosceles trapezoid below class=

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marz1223 marz1223

28-05-2017

i think C, 10...........

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wolf1728 wolf1728

28-05-2017

Adjacent Angles of an isosceles trapezoid are supplementary
Angles D + A = Angles C + B = 180 degrees

10x + 3x + 11 = 180
13x = 16
x = 13
answer is A

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