Question

15) The area of a rectangular region is 288cm'. If its breadth is 16cm
find its length and perimeter
16) Find the area of an equilateral triangle whose each side is 12em.
[Take V3 = 1.73]
17) The diameter of the wheel of a car is 140cm. How many revolution
will it make to travel 22 kilometre?
18) If the mean of 4.7.x, 13 and 16 is 10. find x.​

Answer 1

Answer:

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