Quadrilateral having opposite sides equal is a parallelogram
What are opposite sides in a quadrilateral ?
Proof: Opposite sides of parallelogram congruent | Quadrilaterals | Geometry | Khan Academy
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(I.34) Parallelogram: opposite sides and angles are congruent, Proof
QUADRILATERALS | GRADE 4
Theorem 8: A Quadrilateral is a Parallelogram if a pair of opposite sides is Equal and Parallel.
ユークリッド幾何学 10年生: 対辺平行四辺形
対辺とすべての角度が等しい四辺形は、 | クラス 8 | 理解...
Geometry – Opposite sides of a Parallelogram parallel and equal - Proof – English
opposite sides of a Quadrilateral are equal& parallel, it's Parallelogram || Class 8 Maths ICSE ||
Theorem 21: Equal Opposite Sides of a Quadrilateral
A quadrilateral is parallelogram if its opposite sides are equal
Quadrilateral having both pairs of opposite sides equal means Parallelogram (Theorem and Proof)
Quadrilateral with a pair of opposite sides parallel and equal is Parallelogram (Theorem and Proof)
How to describe side & angle properties of common quadrilaterals
A quadrilateral is a parallelogram if its opposite sides are equal.
A quadrilateral whose opposite sides and all the angles are equal is ?. Understanding quadrilateral.
Theorem: In a Parallelogram, opposite sides are equal | LECTURE 7 | QUADRILATERAL SERIES