∆ABC is right angled at B. If cosA = 8/17, then what is the value of cotC ?

 

If the area of a semi-circle is 693 cm2, then find its radius (in cm).

The length and breadth of a rectangle are 15 cm and 8 cm respectively. Calculate its perimeter (in cm).

If the diameter of the two circles is 6 units and 10 units and a centre distance of 8 units. Calculate the number of common tangents that can be drawn to both the circle.

Angles of the triangle are in the ratio of 1:2:3. Choose the correct triangle for the given ratio.

If LMN and UVW are similar triangles, the value of side s is

A polygon has 9 sides. What is its interior angle?

select the letter missing from the following series.

U, O, I, ?,A

Who is the Chief Election commissioner of India who took charge in January 2018