Here, ∠B=105∘,∠C=90∘
And AB+BC+CA=10 cm
We know that, sum of angles of a triangle is 180∘. ∴ ∠A+∠B+∠C=180∘ Here, ⇒∠B+∠C=105∘+90∘
=195∘>180∘, which is not possible in case of triangle.
A ΔABC can be constructed in which ∠B = 60∘, ∠C = 45∘, and AB + BC + CA = 12cm.