1.
If each sides of a triangle is doubled , then find the ratio of area of new ∆ formed and the given ∆
2.
The ratio of areas of two circles is 16:25 the ratio of their circumference is:
3.
The area of the circle is 2464 sq m, then the diameter is:
4.
When the circumference and area of a circle are numerically equal, then the radius of the circle
5.
The circumference of a circle is 14 π m, then the area of the circle is:
6.
A wheel makes 1000 revolutions in covering a distance of 88 km. Find the radius of wheel.
7.
A square and an equilateral ∆ have equal perimeters. If the diagonal of the square is 12√2 cm, then the area of the triangle is:
8.
The difference between circumference and radius of a circle is 37 m. The circumference of the circle is:
9.
If the radii of 2-concentric circles are 15 cm & 13 cm respectively, then the area of the ring in sq cm will be
10.
When the circumference and area of a circle are numerically equal, then the radius of the circle
