What is the area (in $m^2$) of a circular path of uniform width of 1.3 m surrounding a circular garden of diameter 126 m? (Take $\pi$ = $\frac{22}{7}$)
556.16
Using the English version's values (width = 1.3 m, pi = 22/7), the area of the path = pi x width x (diameter + width) = (22/7) x 1.3 x 127.3, approximately 520.11 m2; using a width of 1.4 m instead gives exactly 560.56 m2 (option D). The marked answer key indicates option (B) 556.16.
Similar Questions
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(Take π = 22/7)
Important Questions from Mensuration
The areas of three adjacent faces of a cuboidal tank are 3 m 2, 12 m 2 and 16 m 2. the capacity of the tank, in litres, is:
Volume of a cuboid is 4800 cm 3. If the height of this cuboid is 20 cm, then what will be the area of the base of cuboid ?
Two similar cubes have heights of 8 cm and 12 cm, respectively. If the capacity of the smaller cube is 80 cm 3, what is the capacity of the bigger cube (in cm 3)?
Three circles of radius 7 cm are kept touching each other. The string is tightly tied around these three circles. What is the length of the string?
Three circles of radius 6 cm are kept touching each other. The string is tightly tied around these three circles. What is the length of the string?
