Circles and Triangles Flashcard

Front

What is the formula for the area of a circle?

Back

Front

Calculate the area of a circle with a radius of 3 units.

Back

Front

What is the formula for the circumference of a circle?

Back

Front

Calculate the circumference of a circle with a radius of 4 units.

Back

Front

What is the sum of the angles in any triangle?

Back

The sum of the angles in any triangle is 180°.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle with all sides of equal length.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle with all sides of different lengths.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle with at least two sides of equal length.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90°.

Front

What is the radius of a circle?

Back

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