Question

construct a triangle abc in which ab = 3 cm angle a =120° and angle b = 30°.

Answer 1

step 1:draw a 3cm line segment an
step2:take the protactor and keep it on A.Take the meaursement as 120 .
step 3: keep the protactor and keep it on B and take 30°.

This a triangle with AB=3cm, angle A=120°and angle B =30°

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Answer 2

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