A point O is at a distance of 10 cm from the centre of a circle of radius 6 cm. How many tangents can be drawn from point O to the circle ?
1) 1 2) 3 3) infinite 4) 2
A square and an equilateral triangle have equal perimeters. If the diagonal of the square is 1272 cm, then area of the triangle is
1) 24Ö2 cm² 2) 24Ö3 cm² 3) 48Ö3 cm² 4) 64Ö3 cm²
From the given figure , find out what is AC : AB.
1) 2 : 3 2) 5 : 3 3) 3 : 2 4) 3 : 5
If every side of a triangle is doubled, then increase in the area of the triangle is
1) 100Ö2 % 2) 200 % 3) 300 % 4) 400 %
PQ is a tangent to a circle with centre O at the point P. If triangle OPQ is an isosceles triangle , then angle OQP is equal to
1) 30° 2) 90° 3) 45° 4) 60°