Question

(d) Can the line segments 1.5 cm, 2 cm, 2.5 cm be the sides of a right angled triangle?​

Answer 1

if it follows Pythagorean triplet ,

1.5²=2.25

2²=4

2.5²=6.25

then 2.25+4=6.25

so it satisfies the pytogorean triplet and thus is a right triangle