Chapter 6 & 7 Math Formulas/Vocabulary
Terms in this set (29)
Two angles whose sum is 90 degrees
Two angles whose sum is 180 degrees
Two angles that share a common side and have the same vertex
A pair of opposite congruent angles formed by intersecting lines
A triangle with three congruent sides
The number of square units required to cover a surface.
The distance around a figure
Perimeter of a rectangle
P= 2L + 2w
Area of a rectangle
Area of a parallelogram
Area of a triangle
A= 1/2 bh
Area of a trapezoid
Area of a circle
Circumference of a circle
C = πd or C = 2πr
3-D Figure or Solid
a figure that does not lie in a plane. It is not flat.
a flat surface of a 3 dimensional figure
The line segment where two faces of a solid figure meet.
A solid figure that has two congruent, parallel polygons as its bases. Its sides are rectangles
A prism with six square faces
A solid shape with one curved surface and two congruent circular bases.
A solid shape with a polygon as a base and triangular faces that come to a point (vertex or apex)
A three dimensional shape with a circular base and a vertex opposite the base
A solid shape that is perfectly round like a ball. No faces, edges, or vertices.
Surface area of a rectangular prism
Find the area of all six sides (front/back, top/bottom, right side/left side) and add them up.
2lw + 2lh + 2wh
Surface Area of a Triangular Prism
2 triangles + front, back, bottom
(rectangles + rectangle +
Surface Area of a Cylinder
Volume of a cylinder
Volume of a rectangular prism
Volume of a triangular prism
V = area of base(prism height)
V = 1/2bh(prism height)