# Module 9 Joaquin Santana

version from 2016-04-19 02:04

## Section

Question Answer
What is the circumference of a circle?The distance around the circle
What is the equation for the circumference?C=2 pi r or C= pi d
What is a radius?A line that goes from the center of the circle to the edge of the circle.
What is the diameter?A line that goes through the center of a circle and goes from on e end to the other end of the circle.
What is the area of a circle?The area inside of the circle
What is the equation for the area of a circle?A= pi r squared
How do you find the area of a composite figure?You cut the figure into simple shapes. Then find the area for each of the shapes and add them all up.
What is surface area?That area of the surface of the shape.
What is the equation for the surface area?2(lw) + 2(lh) + 2 (wh)