After having the straight line 180∘, we should __ this angle to get 90∘
Factual.
After having the straight line 180∘, we should ___ this angle to get 90∘
In order to construct a 90∘ angle, we draw a straight line first. The angle measure of a straight line is ___ (in degrees).
A triangle is having sides 3cm, 4cm, 5cm in length. The greatest angle of this triangle is ___ .