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