48
64
72
324
Correct answer is B
P∝1√rP=3r=16P=k√r⇒3=k√16⇒31=k4⇒K=12⇒K=12;P√r=k⇒√r=kpr=(k)2P=122÷32=(121×23)=82r=64
Evaluate 2700 000 x 0.03 ÷ 18 000 ...
If the angle of a sector of a circle with radius 10.5 cm is 120°, find the perimeter of the sect...
In the diagram, PQ is a straight line, (m + n) = 110o and (n + r) = 130o and (m + r) = 120...
What is the volume of this regular three dimensional figure?...
Which of the following is not a probability of Mary scoring 85% in a mathematics test? ...
If p = 12 and 1p−1=2p+x, find the value of x...
The length of a rectangle is 10 cm. If its perimeter is 28 cm, find the area ...