Construct a ΔABC in which BC=3.8 cm, (AB+AC)=5 cm and ∠ABC=60∘.
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Solution
Given : ABC is a triangle, BC=3.8 cm, (AB+AC)=5 cm and ∠ACB=60∘. To construct : ΔABC Steps of construction : 1. Draw a straight line BC=3.8 cm. 2. At C, make ∠BCX=60∘. 3. At CX, cut off CD=5 cm. 4. Join BD. 5. At B, make ∠DBA=∠BDA where A lies in DC. Hence, ΔABC is the required triangle.