The shape below is formed from a rectangle measuring 13cm and 16cm from which a rectangle of length 7.3cm has been removed. Work out the perimeter of the shape

How do i find the missing angle measure in a polygon

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Find the solution on the interval [0, 2pi)