Question

12. Find the cost of painting a wall having a door of dimensions 4 m x 3 m. The length and breadth of the wall
are 10 m and 10 m, respectively, and the rate of painting is 50 per m.
13. Find the base of a parallelogram if the corresponding height is 6 cm and area is 18 cm .sq​

Answer 1

4400 RS

area of wall = 10m×10m= 100 m

area of door= 4m x 3m =12 m

total area = area of wall- area of door

= 100 - 12 m = 88m

cost of 1 metre = 50 rupees

cost of 88 metre= 88 × 50 m

=4400 rs

Answer 2

Answer:

13.Answee=6

Step-by-step explanation:

Height=6cm

Area=18cm.sq

Base=Height÷Area×2

=6÷18=3

3×2=6