Question

spend?
2. The length and breadth of a rectangular metal sheet is 4.6 m and 2.4 m respectively. If the cost of metal
is 2.50 per square metre, find the cost of rectangular sheet.
Hou much time will it take to cover 918 km?​

Answer 1

Given

• Length of metal sheet = 4.6 m
• Breadth of metal sheet = 2.4 m
• Cost of 1m² metal sheet = Rs.2.50

Find out

• Find the cost of rectangular metal sheet

Solution

Now,

★ Area of metal sheet

→ length × breadth

→ 4.6 × 2.4

→ 11.04 m²

✒ So, the area of sheet is 11.04 m²

✰ It is given that the cost of 1m² metal sheet is Rs.2.50

∴ Cost of 11.04 m² metal sheet

→ 2.50 × 11.04

→ Rs.27.6

Hence, the cost of metal sheet is Rs.27.6

Additional Information

• Area of square = side × side
• Perimeter of square = 4 × side
• Perimeter of rectangle = 2(l + b)
• Area of llgm = base × height
• Area of rhombus = ½ × product of diagonals
• Area of trapezium = ½ × sum of parallel sides × height

Answer 2

Given:-

• Length of rectangular metal sheet =4.6m

• Breadth of rectangular metal sheet =2.4m

• Cost of metal 2.50 m²

To Find:-

• Cost of rectangular metal sheet.

Solution :-

➦ Area of rectangular metal sheet = l × b

where,

l is the length of metal sheet

b is the breadth of metal sheet.

Now,

➦ Area of metal sheet = l ×b

➭ Area of metal sheet = 4.6 ×2.4

➭ Area of metal sheet = 11.04m²

Cost of 1 m² metal sheet = 2.50

∴ Cost of 11.04m² rectangular metal sheet = 2.50×11.04 = Rs 27.6

Cost of rectangular metal sheet is Rs 27.6