Question

Find the cost of painting a cuboid dimensions 20,15,18 cm at the rate of 20 rupees per square meter

Answer 1

Answer:

4 Rupees

Step-by-step explanation:

Surface area of a cuboid of dimensions 0.2 m, 0.15 m, 0.20 m

Formula is:

TSA = 2 x [(l x w) + (w x h )+ (l x h)]

l = 0.2, w = 0.15, h = 0.2 = 0.2 m2

Cost = 20 x 0.2 =4 rupees