Q.12 In the following figure, find the measure of ∠x and ∠y. Name the properties used.
∠ABC = 60° and ∠ACD = 125°
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given measurements of ABC = 60°
given measurements of ACD= 60°
sum of angles in a quadrilateral is =360°
sum of given angles = 60°+125°= 185°
to find the other angle =360-185
= 175
to find one angle =175÷2
=87.5
one angle = 43.5
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