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Understanding Quadrilaterals and Practical Geometry — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSUnderstanding Quadrilaterals and Practical Geometry1 Mark
MCQ
If the adjacent angles of a parallelogram are equal, then the parallelogram is a:
  • ✓
    rectangle
  • B
    trapezium
  • C
    rhombus
  • D
    any of the three
✓

Answer

Correct option: A.
rectangle
We know that, the adjacent angles of a parallelogram are supplementary, i.e. their sum equals $180^\circ $ $\&$ given that both the angles are same. Therefore, each angle will be of measure $90^\circ $. Hence, the parallelogram is a rectangle.

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