Question

Name each of the following triangles in two different ways: (you may judge the nature of the angle by observation)

Answer 1

Solution :- given

(a) REF.Image

$\Rightarrow$ Acute triangle

$\to$ as every angle less than ${90}^{\circ }$

$\Rightarrow$ Isosceles triangle

$\to$ as Two sides and Two angles same

(b) REF.Image

$\Rightarrow$ Right angle triangle

$\to$ as one angle is ${90}^{\circ }$

$\Rightarrow$ Scalene triangle

$\to$ as all sides of different length

(c) REF.Image

$\Rightarrow$ Obtuse triangle

$\to$ as one angle is more than ${90}^{\circ }$

$\Rightarrow$ Isosceles triangle

$\to$ as 2 sides equal