Define perimeter.
The total distance around a two-dimensional shape.
What is the formula for the area of a rectangle?
Length multiplied by width.
Fill in the blank: The circumference of a circle is _______ times the diameter.
Pi (π)
True or false: The area of a triangle is base times height divided by two.
TRUE
What is the formula for the area of a triangle?
1/2 times base times height.
Define volume.
The amount of space an object occupies, measured in cubic units.
What is the formula for the volume of a cylinder?
Pi times radius squared times height.
Fill in the blank: The Pythagorean theorem states that a² + b² = _______.
c²
True or false: A square is a type of rectangle.
TRUE
What is the formula for the area of a circle?
Pi times radius squared.
Define isosceles triangle.
A triangle with at least two equal sides.
What is the formula for the volume of a cube?
Side length cubed.
Fill in the blank: The sum of angles in a triangle is _______.
180 degrees
True or false: All rectangles are parallelograms.
TRUE
What is the formula for the area of a trapezoid?
1/2 times (base1 + base2) times height.
Define rhombus.
A quadrilateral with all sides equal and opposite angles equal.
What is the formula for the surface area of a sphere?
4 times Pi times radius squared.
Fill in the blank: The diagonal of a rectangle can be found using _______.
The Pythagorean theorem.
What is the formula for the area of a parallelogram?
Base times height.
What is the formula for the volume of a cone?
1/3 times Pi times radius squared times height.
What is the formula for the area of a sector?
1/2 times radius squared times angle in radians.
What is the formula for the surface area of a cylinder?
2 times Pi times radius times height plus 2 times Pi times radius squared.