A ΔABC can be constructed in which ∠B = 60°, ∠C =45°, and AB + BC + CA = 12 cm.

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asked Feb 2, 2018 in Class IX Maths by aman28 (-883 points)
A ΔABC can be constructed in which ∠B = 60°, ∠C =45°, and AB + BC + CA = 12 cm.

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1 Answer

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answered Feb 2, 2018 by saurav24 Expert (1,417 points)
We know that, sum of angles of a triangle is 180°.
∠A + ∠B + ∠C = 180°
Here, ∠B + ∠C = 60°+ 45° = 105°< 180°,
Thus, ΔABC with given conditions can be constructed.

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