Find the length of a 150° (degree) arc in a circle with a radius of 10".
Please explain!

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Factor and solve to find roots x squared -x - 90 =0

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart