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Question

Construct a ΔABC in which BC = 4.8 cm, ∠B = 45° and ∠C = 75°. Measure ∠A.

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Solution


Steps of construction:
1. Draw a line segment BC = 4.8 cm.
2. Construct CBX = 45°.
3. Construct BCY = 75°.
4. The ray BX and CY intersect at A.
Thus, ABC is the required triangle.
When we measure A, we get A = 60°.

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