Vocabulary
A figure with 4 equal sides and 90 degree angles
Square
Area of a Parallelogram
A= bh
What is a pyramid?
The base is a regular polygon and all of the lateral faces of the pyramid are congruent isosceles triangles.
The strongest shape
Triangle
Surface Area of a Prism
S= 2B + Ph
What is the height of a cone?
The distance between the vertex and center of the base.
A ______ is a closed plane figure whose sides are segments that intersect only at their endpoints
Polygon
Pythagorean theorem
a^2 + b^2= c^2
What is the lateral area?
The area of the lateral suface.
A ______ is a quadrilateral with exactly 1 pair of parallel sides.
Trapezoid
Area of a Trapezoid
A= 1/2(b1+b2)h
What is the slant height of a pyramid
The height of any of the triangular lateral faces.
The ratio of the angle measures of a triangle
1:3:5
Surface Area of a Cylinder
S= 2pi(r^2) + 2pi(r)h
What is the slant height of a cone?
Is the distance between the vertex and any point on the edge of the base.