Draw an angle and label it as ∠BAC.

Question:

Draw an angle and label it as ∠BAC. Construct another angle, equal to ∠BAC 

Solution:

Steps of construction:

1. Draw an angle ABC and a line segment QR.

2. With center A and any radius, draw an arc which intersects ∠BAC at E and D.

3. With Q as a centre and same radius draw an arc which intersects QR at S.

4. With S as center and radius equal to DE, draw an arc which intersects the previous arc at T.

5. Draw a line segment joining Q and T.

Therefore ∠PQR = ∠BAC 

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