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Question
In the trapezium ABCD, the measure of ∠D is ______.
Options
55°
115°
135°
125°
Solution
In the trapezium ABCD, the measure of ∠D is 125°.
Explanation:
We know that, in a trapezium, the angles on either sides of base are supplementary angle.
In trapezium ABCD,
∴ ∠A + ∠D = 180°
⇒ 55° + ∠D = 180°
⇒ ∠D = 180° – 55°
⇒ ∠D = 125°
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