Question

Construction of ∆ABC in which BC=4.2, angle B=30° & AB-AC=1.6cm​

Answer 1

Answer:

1. Draw a line BC=5cm

2. Construct 40

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at B. Extend BP.

3. Take 2.8cm on a compass and cut an arc on BP. Join CX.

4. Take a perpendicular bisector of CX. It intersects with BP at A.

5. Join AC