Question

Look at the figures given below. State for each triangle whether it is acute, right or obtuse.
Figure

Answer 1

(i) It is an obtuse angle triangle as one angle is 130^o, which is greater than 90^o.

(ii) It is an acute angle triangle as all the angles in it are less than 90^o.

(iii) It is a right angle triangle as one angle is 90^o.

(iv) It is an obtuse angle triangle as one angle is 92^o, which is greater than 90^o.