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Q7. ABCD is a trapezium in which AB is parallel to CD. If ∟A = 36° and ∟B = 81°, then find ∟C and ∟D.

Q8. In a parallelogram ABCD find the measure of all the angles if one its angles is 15° less than twice the smallest angle.
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Answer 1

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Asked on December 20, 2019 by

Varinder Sethupathy

ABCD is a trapezium in which AB is parallel to CD. If ∠A=36

∘

and ∠B=81

∘

, then find ∠C and ∠D.

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ANSWER

Consecutive interior angles add upto 180

o

.(for parallel lines)

A+D=180

o

⇒D=180

o

−36

o

=144

o

B+C=180

o

⇒C=180

o

−81

o

=99

o

A8)

Answer 2

Step-by-step explanation:

mark it as brainliest answer . I solved it