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?