The circumference of a given circular park is 55 m. It is surrounded by a path of uniform width 3.5 m. Find the area of the path.
231 sq.m
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5
Calculate the area and the height of an equilateral triangle whose perimeter is 60 cm.
A = 173.2sq.cm. h = 17.32cm
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10
The circumference of a circular field is 308 m. Find its radius and area.
Radius = 49 m
Area = 7546 sq. cm.
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10
The base of a triangular field is three times its height. If the cost of cultivating the field at Rs. 36.72 per 100 sq.cm. is Rs. 49572; find its base and height.
Base = 900 m
Height = 300 m
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trap
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rocket
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rocket
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baam
Lose 20 points!
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10
Find the area of a triangle whose sides are 18cm, 24cm and 30cm.
216sq.cm.
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15
Find the area of an isosceles triangle with perimeter 36 cm and base 16 cm.
