Question

Abc is a right triangle right angled at c if a is equal to 30 degree and ab is equal to 40 units find the

Answer 1

Step-by-step explanation:

Acb is a right angled

ac/ab=cosa=√3/2

ac=40*√3/2=20√3cm............(1)(ans)

bc/ab=sin30=1/2

bc=(1/2)*40=20 cm...............((2))(ans)

angle b=180-(90+30)=60

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