In a triangle ABC, ∠B = 35∘.What type of angle is this ?
acute
right
obtuse
straight
If an angle is less than 90∘, it is known as an acute angle.
In a △ABC, ∠A=120∘, ∠B=40∘ and ∠C=20∘. What type of triangle is this?
Construct a triangle ABC in which BC is 5 cm, Angle B is 60∘ and AB-AC=0 cm. What type of triangle is this?