38.5cm3
77cm3
269.5cm3
1078cm3
Correct answer is C
Volume of a solid cylinder = Base area x height
Base area =πr2=227×72×72=772
Volume of a solid cylinder = 772×71=5392cm3=269.5cm3
The gradient of a line joining (x,4) and (1,2) is 12. Find the value of x...
Tom will be 25 years old in n years' time. If he is 5 years younger than Bade's present age....
Find the standard deviation of 5, 4, 3, 2, 1 ...
What is log7(49a) - log10(0.01)?...
An equilateral triangle has a side 2 cm. Calculate the height of the triangle. ...
A man is five times as old as his son. In four years' time, the product of their ages would be 3...
If log x = ˉ2.3675 and log y = 0.9750, what is the value of x + y? Correct to three signifi...
If (a2b−3c)3/4a−1b4c5 = apbqcr; what is the value of p+2q? ...