Question

along the boundary of the plot.
15. A wire is in the shape of a square of side 10 cm. If the wire is rebent into a rectangle of lengh
12 cm, find its breadth. Which figure encloses more area and by how much?
16. A godown is 50 m long, 40 m broad and 10 m high. Find the cost of whitewashing its for
walls and ceiling at 20 per square metre.
17. The area of the 4 walls of a room is 168 m². The breadth and height of the room are 10
and 4 m respectively. Find the length of the room.
18. The area of the 4 walls of a room is 77 m2. The length and breadth of the room are 7.5
and 3.5 m respectively. Find the height of the room.
19. The area of four walls of a room is 120 m². If the length of the room is twice its breadth and
the height is 4 m, find the area of the floor.
20. A room is 8.5 m long, 6.5 m broad and 3.4 m high. It has two doors, each measuring
(1.5 m by 1 m) and two windows, each measuring (2 m by 1 m). Find the cost of painting its
four walls at * 160 per m'​

Answer 1

Answer:

itna lamba question so sorry I can't answer your question but good morning