Topic 8 Review

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius of the circle.

Front

What is surface area?

Back

Surface area is the total area that the surface of a three-dimensional object occupies.

Front

What is the formula for the surface area of a rectangular prism?

Back

Surface Area = 2(lw + lh + wh), where l is length, w is width, and h is height.

Front

What is the triangle inequality theorem?

Back

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Front

What is the formula for the area of a circle?

Back

Area = πr², where r is the radius of the circle.

Front

What is a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

What are the types of triangles based on side lengths?

Back

1. Equilateral (all sides equal) 2. Isosceles (two sides equal) 3. Scalene (no sides equal).

Front

What is the relationship between the angles in a triangle?

Back

The sum of the interior angles of a triangle is always 180 degrees.

Front

What is a circle?

Back

A circle is a shape consisting of all points in a plane that are at a given distance from a center point.

Front

What is the radius of a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference.