Question

28. Construct a quadrilateral ABCD in which AB-BC-5cm, CD dion
7 om each
29. A Swimming pool is 20m in length 15m in breadth 4m in depth Finde
cementing its floor and walls at 35 per m
the mynenditure of pocket money of a student​

Answer 1

Answer:

2:-

length of the swimming pool's floor is 20m and breadth is 15m.

Since it forms a rectangle

area of rectangle is (l×b)

20 ×15=300m

cost per metre of cementing is 35 per m

therefore 300×35=rupees 10,500