Question

Lesson 4 . Word Problems on Perimeter and Area
1) pipeline has to be laid along the boundary of the garden. What do we need to know to find the total length of the pipe needed?
2)(a) . A football field is 90 m wide and 100 m long. If grass is laid in the whole field, what area is covered by grass in square meters?
(b) There are 4 sides of a field and each side is 50 m long. Vivek wants to dig a trench along all four sides. If the cost of digging a trench is 30 per meter, how much will Vivek have to pay?
3) Write a word problem based on area using 120 sq cm and 30 cm. HOTS 3​

Answer 1

Answer:

2(a)9000 m²

Step-by-step explanation:

The area covered by grass = area of the football field

therefore

Area of the football field = l x w

                                          = 100 x 90

                                           = 9000m²