The correct option is A 150
Perimeter of a triangle is equal to the sum of its three sides.
Sides of the triangle are 40 cm, 50 cm and 0.6 m long.
We know that,
1 m = 100 cm
∴ 0.6 m = 0.6 x 100
= 60 cm
Perimeter = 40 cm + 50 cm + 60 cm
= 40 cm + 50 cm + 60 cm
= 150 cm