Q. 174.6( 20 Votes )
Steps of construction:
1. Draw a line XY = AB+BC+CA = 11 cm
2. Make an angle equal to ∠B = 60° from X and ∠c = 45° from Y.
3. Bisect ∠PXY and ∠QYX. Let them intersect at A.
4. Make perpendicular bisector of AX and AY.
5. Join AB and AC.
So, ABC is the required triangle.
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