Which of these sentences is always true for a parallelogram

Asked by maham237 @ in Mathematics viewed by 249 People

A. All sides are congruent.. . .
B.All angles are congruent.. . .
C.The diagonals are congruent.. . .
D.Opposite angles are congruent. .

Answered by maham237 @


A parallelogram is a 4-sided polygon whose opposite sides are equal. By definition, opposite angles are also equal. A square, rectangle, or rhombus are considered as a parallelogram. Among the choices, the correct answer is D. "Opposite angles are congruent"

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