Q90 of 160 Page 144

Fill in the blanks to make the statements true.

The trapezium ABCD with ABCD, if ∠A = 1000, then ∠D =

800

The adjacent angles of non-parallel sides are supplementary


∠ A + ∠D = 1800


⇒ ∠D = 1800-1000


⇒ ∠D = 800


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