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Lapatulllka [165]
4 years ago
12

Quadrilateral ABCD is a trapezoid with AB ll CD. What must be shown to prove that ABCD is an isosceles trapezoid?

Mathematics
2 answers:
netineya [11]4 years ago
4 0
The answer is C because of the definition of isosceles trapezoid which states that the legs have to be congruent
saveliy_v [14]4 years ago
4 0

Answer with explanation:

A trapezoid is said to be Isosceles , if one pair of Opposite sides are Parallel and one pair of Opposite sides are congruent to each other.

In the given trapezoid,

AB and CD are pair of opposite legs of trapezoid A B CD, which are Parallel  to each Other , and AD and BC are Pair of Legs which must be congruent , so that the trapezoid A B CD becomes Isosceles Trapezoid.

Option C: ⇒AD=BC

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