Question
Find the curved surface area of a cone whose height is 6
m and radius is 8 m. (in m 2 ) (approximate value) (The value of π is 22/7)Solution
Given -h=6m and r= 8m The surface area of the cone = πrl So now – l= √ (36+64) =10 CSA of cone = (22/7) ×8×10 =25.14×10 =251.4 m2 (Approx)
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If the numerator of a fraction is increased by 40% and the denominator is decreased by 20%, then the value of the fraction becomes 21/16. Then tell the ...
The value of
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Numerator of a fraction is 4 less than the denominator. If 6 and 7 are added to numerator and denominator of a fraction respectively, then fraction beco...
- Find the fraction which is greater than (5/7) but less than (9/7).
0.0056 is equal to which of the following fractions?
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