Question

If AD ,BC are the equal sides of isosceles trapezium ABCD ,prove that angle A =angle B and angle c is equal to angle d

Answer 1

Step-by-step explanation:

A trapezium is a cyclic quadrilateral with one pair of parallel sides. An isosceles trapezoid has one pair of parallel sides and another pair of congruent sides (means equal in length). The diagonals are of equal length in isosceles trapezoid and by SSS congruency we will prove that base angles are equal.

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