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1. Find the area of a rectangle whose length and breadth are given below:
i. Lengti – 24 cm, breadth=10 cm. ii. Length= 40 cm, breadth= 20 cm
iii. Length=20.4cm, breadth=10 cm. iv. Length=415 cm, breadth=30 cm
2. Find the area of a rectangle whose length and breadth are respectively:
i. 13 cm and 8 cm.
ii. 15.4 cm and 6.5 cm
iii. 24 cm and 125 mm.
iv. Im and 75 cm
3. The area of a rectangle is 540 cm . Ifits length is 36 cm. Find its breadth:
4. The area of a rectangle is 650 cm and one of its sides is 13 cm. Find the perimeter of
the rectangle.
5. Find the area of a square whose side is 6.3 cm. What is the perimeter of the square?
6. Each side of a square measures 65 m 5 dm. Find its area in square metres.
7. A rectangular plot of land is one-third as wide as it is long. Its length is 24.6 metres,
Find its area. Also, find its perimeter.
8. Find the area of a rectangle whose length and breadth are 85 m 4 dm and 55 m 5 dm
respectively. Find its area.
9. Find the change in area of a rectangle when
ii. only the breadth is doubled
i. only the length is doubled
ui. both the length and breadth are doubled
10. A building is to be constructed on an area measuring 32.5 mx 275 m. The cost of
levelling the land is Rs. 5.60 per sq.m. Find the total cost of levelling the land.
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Answer:
area =length ×bredth
Step-by-step explanation:
1) A=l×b
24×10=240msquare