book Maths Puzzle Numerical Ability

How do I find missing angle measures when I only have 1 angle measure such as 70 degrees or 25 degrees or 30 degrees?

Read Solution (Total 0)

book Other Question

How do I write the mathematical definition for a logarithm, like for
logb N?
solve the system of equations 3y-2x=4 and 2y+4x=8