A semi-circle is drawn with AB as its diameter. From C, a point on AB, a line perpendicular to AB is drawn meeting the circumference of the semi-circle at D. Given that AC = 2 cm and CD = 6 cm, the area of the semi-circle (in sq.cm) will be:
32π
50 π
40.5 π
81 π
undeterminable
Correct Answer : B
An equilateral triangle BPC is drawn inside a square ABCD. What is the value of the angle APD in degrees?
The distance between the points (3, -4) and (3, 3) is
If a ration shop is to be set up within 3 km of each city, how many ratio shops will be required?