Question

1. A rectangular wall is 4500 cm long and 900 cm wide find the cost of painting the wall at the rate of $18 per sq m. 2. The length of a square table mat is 1m 25cm . Find the area of the mat.​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Cost of painting =$7290

Area of square = 1.5625m²

Step-by-step explanation:

Given length l= 4500cm=45m

breadth b=900cm=9m

Area of fence= l*b= 45*9=405

Cost of painting per m²= 18

Cost for painting =18*405=7290

Area of square = a²

Given a= 125cm=1.25m

Area= 1.25²= 1.5625m²