The volume of a cone with base radius 3 cm and height 7 cm, taking π as 22/7 is:
44 cm³.
66 cm³.
198 cm³.
22 cm³.
A rectangular sheet of paper of sides 12cm by 8cm has a semi-circular piece cut out of it as shown in the figure.
The area of the unshaded portion in terms of π is:
96 π cm².
64 π cm².
8(12 - π) cm².
8 π cm².
Given that the triangle in the figure, is rightangled at R, sin x is:
RQ/PQ.
PR/PQ.
RQ/PR.PR/RQ.
The figure, shows two similar cubes. The ratio of their lengths is 1:2. The length of the small cube is 5cm.
The volume of the bigger cube is:
125 cm³.
27 cm³.
100 cm³.
1000 cm³.
Given that the diameter of a circle is 14cm and using pie = 22/7, then the circumference of the circle is:
22 cm.
154 cm.
44 cm.
77 cm.
