Question

ConstructΔABC,where
AB=4.5cm ,AC=6cm andBC=5cm

Answer 1

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Construct a ΔABC in which BC = 5 cm, ∠B = 60° and AC + AB=7.5 cm.

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asked Feb 2, 2018 in Class IX Maths by aman28 (-872 points)

Construct a ΔABC in which BC = 5 cm, ∠B = 60° and AC + AB =7.5 cm.

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3 Answers

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answered Feb 2, 2018 by saurav24 Expert (1.4k points)

Given, in ΔABC, BC=5 cm, ∠B=60° and AC + AB=7.5 cm. To construct the triangle ABC use the following steps.

1.Draw the base BC = 5 cm.

2.At the point B make an ∠XBC = 60°.

3.Cut a line segment BD equal to AB + AC = 7.5 cm from the ray BX.

4.Join DC.

5.Make an ∠DCY = ∠BDC.

6.Let CY intersect BX at A.

Then, ΔABC is the required triangle.

Answer 2

• by using scale and compass calculation