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A parallelogram does not equal 180. A parallelogram is a plane figure bounded by two pairs of parallel lines.
What does equal 180 is the sum of the measures of any pair of adjacent angles.
The two adjacent angles have a side in common. If that line is considered as the intercept of the pair of parallel lines, it is easy to show that the angles should add to 180 degrees.
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Does a parallelogram equal 180 degrees?
No because the 4 interior angles of a parallelogram add up to 360 degrees
Is a rhombus a a parallelogram with all equal angles?
No. A rhombus is a parallelogram with all equal sides. A parallelogram with all equal angles is a rectangle (which might also be a rhombus and a square).
Do the opposite angles of a parallelogram equal 180 degree?
No, not necessarily. Think of a rhombus that is not a square. Its opposite angles are equal - either both acute (sum < 180) or both obtuse (sum >180).
Do opposite angles in a parallelogram add up to 180?
No. Opposite angles are equal. Adjacent angles are supplementary.
What is a parallelogram where all sides are equal?
A parallelogram where all sides are equal is a square.
