Find the length of the diagonal of rectangle whose sides are 21 cm and 20 cm
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Answered by
1
Answer:
diagonal of rectangle can be find using Pythagoras theorem.
diagonal square = 21 rest to 2 + 20 rest to 2
diagonal square = 441 + 400
diagonal square = 841
diagonal = square root of 841
diagonal = 29
Answered by
3
Answer:
21² = 441
20² = 400
441 + 400 = 841
841 square root = 29
diagonal of the rectangle = 29 cm
Hope it will help you
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