Question

Construct LMN in which MN = 7cm L M N = 40 and LN-LM = 3 cm
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Answer 1

. Draw MN=5 cm.

2. Construct ∠M=75∘ and produce it to Y.

3. Cut off line segment MO=9 cm on MY.

4. Join N−O.

5. Draw a perpendicular bisector of NO such that it intersects MY at L.

6. Join L−N.

7. LMN is the required triangle.