What approximate value will come in place of the question

Two concentric circles of radii 10 cm and 6 cm are given. Find the length of the chord of the larger circle which touches the smaller circle.

If in a ΔABC, D is a point on BC such that BD = 1cm , BC = 3 cm then what is ratio of area of ΔABD to area of ΔADC ?

Right triangle with sides 15 cm, 20 cm, 25 cm. Find radius of incircle.

∆ ABC is similar to ∆ DEF. If area of ∆ABC is 9 sq.cm and area of ∆DEF is 16 sq.cm and BC = 2.1 cm. Then the length of EF will be

The area of a field in the shape of a hexagon is 2400 √ 3 m²  ? What will be the cost of fencing it at ₹18.50 per metre?

The length of the each side of an equilateral triangle is 7√3 cm . The area of circumcircle, (cm ² ) is

In ∆ABC , G is the centroid , AB = 18 cm, BC= 24 cm and AC = 30 cm , find GD, where D is the mid-point of BC?

Given are three points A(2, 7), B(4, -1), C(- 2, 6) on a plane. What kind of triangle is formed by joining the points A, B, and C?

The area of an equilateral triangle is 36√3 sq m. Its perimeter is 

The volume (in cu.cm.) of a right circular cylinder with radius 1 cm and height 2 cm on is: (Take π = 22/7)