# Geometry Formulas Review

Taught by muchomath
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Meets NCTM Standards:
Lesson Description:

A review of some useful geometry formulas.

Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.

• What are some formulas from Geometry that you need to know for Algebra?
• What are complementary and supplementary angles and what is the difference between them?
• How do you find the missing angle in a triangle if one angle is 48 degrees and the other angle is 18 degrees?
• What is the formula for the area of a triangle?
• What is the area of a triangle with a base of 7cm and a height of 10cm?
• How do you find the perimeter of shapes?
• How do you find the area of a complicated shape by breaking it up into smaller rectangles and adding the areas?
• What is the formula for the area of a rectangle?
• What is the area of a rectangle with a width of 17in and height of 4in?
• What is the formula for the area of a circle?
• What is the area of a circle with a diameter of 16in.?
• What is the formula for the circumference of a circle?
• What is the circumference of a circle with a diameter of 16in.?
• What is the formula for the volume of a right circular cylinder?
• How do you find the volume of a right circular cylinder with a radius of 6ft and a height of 15ft?
• What is the formula for the volume of a right circular cone?
• How do you find the volume of a right circular cone with a radius of 2cm and a height of 5cm?
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This lesson explains some terminology and formulas that you need to know from Geometry in order to solve some problems in Algebra that require you to know some things from Geometry. Then, many different problems are solved using these formulas. Angles, triangles, rectangles, circles, cylinders, and cones are all discussed. This is a great lesson for reviewing formulas and using the formulas to find angles, areas, volumes, perimeters, and other measurements.