Relier Pairs Geometry Formulas (D)Version en ligne 7th grade geometry par STEPHANIE GREGORY 1 Circumference of a semi-circle 2 Supplementary Angles 3 Area of a rectangle or square 4 Volume of a triangular prism 5 Area of a semi-circle 6 Area of a Circle 7 Circumference of a Circle 8 Complementary Angles 9 AAA 10 Area of a triangle 11 Volume of a rectangular prism 12 SSS 13 Vertical Angles Pi x diameter Pi x radius squared 2 or more angles that equal 180 degrees because together they form a straight line. 1/2 x pi x diameter 2 or more angles that have a sum of 90 degrees because together they form a right angle Angles that are on opposite sides of the figure. They are equivalent. all angles together = 180 degrees 1/2 x pi x radius squared 1/2 x base x height length x width x height length x width a + b > c 1/2 x base x height x height