Question

In Fig. 12.13, the length (in cm) of each side has been indicated along the side. State for each triangle wheather it is scalene, isosceles or equilateral:

Answer 1

(i) This is a scalene triangle, as all the sides have different length.
(ii) This is an isosceles triangle, as two sides are equal in length i.e. 5.6 cm.
(iii) This is an equilateral triangle, as all the sides are equal in length i.e. 5 cm.
(iv) This is a scalene triangle, as all the sides have different length.
(v) This is an isosceles triangle, as two sides are equal in length i.e. 6.2 cm.