In a rectangle ABCD, AB =40cm, angle BAC = 30 degree, then side BC is

pls answer

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Sneha
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Saturday, 28 November 2020 09:00 AM

A.T.Q

We have rectangle ABCD

JoinAC

We know that diagnoals of rectangle are of 90°

so by this

by trigonometry

tan30°=BC/AB

1/v3=BC/40

BC=40/v3

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