Math, asked by chandulumedhulu, 2 months ago

If angle ∠A is a right angle, length of BC is ___cm.(All dimensions are in cm). *

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Answered by chrisselpereira

1

In ∆ CAB, angle A = 90°

by Pythagoras theorem

BC2 = CA2 + AB2

BC2 = 132×132 + 85 ×85

BC2 = 17424 + 7225

BC2 = 24649

taking square root both side

BC = √24649

BC = 157 cm

therefore BC is 157 cm

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