Question

5. Lengths of sides of a triangle are 3 cm, 4 cm and 5 cm. The triangle is
(a) Obtuse angled triangle (b) Acute-angled triangle
(c) Right-angled triangle
(d) An Isosceles right triangle

Answer 1

as....

$\sqrt{3 {}^{2} + 4 {}^{2} } \\ = \sqrt{25} \\ = 5$

so ,it satisfies the Pythagorean theorem...

therefore it is a right angled triangle....

answer(c)

Answer 2

Step-by-step explanation:

(c)right-angled triangel