Question

Construct ΔLMN, in which ∠M=60°, ∠N=80° and LM+MN+NL=11 cm.

Answer 1

Steps of construction:

STEP 1:

Draw a line XY=11c.m.

STEP 2:

Make an angle 30° on point X which is half of ∠M and make another angle 40° at point Y which is half of ∠N.

STEP 3:

Extend the line from point X and Y intersect at point L.

STEP 4:

Draw perpendicular bisectors of line XL and YL . Which are cut at two point M and N on line XY.

STEP 5:

Join the point M and N to point L.

Thus we formed ΔLMN. In which LM+MN+NL=11c.m.

Answer 2

Answer:

refer the image

Step-by-step explanation:

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