Iwanna finally have my summer break, can you pls solve, 20 pts avalable in a circle graph, a section that represents 80% of the graph has a central angle measure of what?

The isosceles triangle has two sides of equal length, a, that sre longer than the length of the base ,b. the equation 2a+b=15.7 can be used to find the sides length. if one of the longer sides is 6.3 centimeters what is the length of the base

You can find the constant of proportionality by finding the ratio of

Which expression converts 45 degree to radians