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