Math, asked by sakinaaa78, 3 months ago

we have to do this from the pythagorus theorum

h^2=b^2+a^2
a=21^2+20^2

Answers

Answered by Anonymous

1

a² = 21² + 20²

a² = 441 + 400

a² = 841

a = √841

a = 29

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