Question

Construct a triangle ABC whose perimeter is 12 cm and whose base angles are 45degree and 60 degrees

Answer 1

1. Draw a line segment PQ = AB + BC + CA = 12 cm.
2. Make ∠ LPQ= 45° and ∠ MQP = 60°
3. Now bisect ∠ LPQ and ∠ MQP such that their bisectors meet at A.
4. Draw perpendicular bisector of AP and AQ i.e. XY and ST intersecting PQ at B and C respectively.
5. Join AB and AC.

Answer 2

Answer:

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Step-by-step explanation:

1. Draw a line segment PQ = AB + BC + CA = 12 cm.

2. Make ∠ LPQ= 45° and ∠ MQP = 60°

3. Now bisect ∠ LPQ and ∠ MQP such that their bisectors meet at A.

4. Draw perpendicular bisector of AP and AQ i.e. XY and ST intersecting PQ at B and C respectively.

5. Join AB and AC