Question

Determine whether the triangle whose lengths of sides are 8 cm, 9 cm, 10 cm is a right- angled-triangle.​

Answer 1

Answer:

no it is not

Step-by-step explanation:

to determine whether a ∆ is right anglee or not apply Pythagoras theorem

here ; 8^2 + 9^2 = 64 + 81 = 145 which is not equal to 10^2 = 100

so it is not a right angled ∆