book Maths Puzzle Numerical Ability

name the property of 2+3=3+2

Read Solution (Total 0)

book Other Question

factorise x to the power of 2 + 2x + 1 - y to the power of 2

please help in solving question

Thanks If I know the length of a cord of a circle and the distance from the center of the cord to the edge of the circle. How do I find the radius of the circle. Thanks. Jim