- ARectangle
- BRhombus
- CTrapezium
- DKite
Step-by-Step Solution
If one angle is 90°, all angles become 90 deg (opposite equal, adjacent supplementary), giving a rectangle.
Answer: A) Rectangle
If one angle of a parallelogram is a right angle, then the parallelogram is a:
Class 9Properties of a ParallelogramGeometry — Quadrilaterals
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