Question
How many right angles are there in a cubical room? [1 MARK]
Answer:
:
Each corner has three mutually perpendicular linesand a cuboid has 8 corners. Hence, the total number of right angles in a cubical room is 8×3=24.
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Each corner has three mutually perpendicular linesand a cuboid has 8 corners. Hence, the total number of right angles in a cubical room is 8×3=24.
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