exam Maths Puzzle Numerical Ability

A circle has a chord of length 8 that is tangent to a smaller, concentric circle. Find the area between the two circles?

Read Solution (Total 0)

exam Other Question

Simplify: [(1/secӨ)+(sin^2Ө/cosӨ)]cosӨ.

Thank You thank you for your answers to question 129775 but I did a,b,and c on my own and did not come up with your answers so could you please take me step by step through the process, because I am missing something.