Isosceles and Equilateral Triangles

Front

What is an isosceles triangle?

Back

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

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle in which all three sides are of equal length.

Front

What is the sum of the interior angles of a triangle?

Back

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

Front

How do you find the length of a side in an isosceles triangle when given the base and height?

Back

You can use the Pythagorean theorem to find the length of the equal sides.

Front

What is the relationship between the angles in an isosceles triangle?

Back

The angles opposite the equal sides are also equal.

Front

How do you calculate the area of a triangle?

Back

The area of a triangle can be calculated using the formula: Area = 1/2 * base * height.

Front

What is the formula for the perimeter of a triangle?

Back

The perimeter of a triangle is the sum of the lengths of its sides.

Front

What is the significance of the base in an isosceles triangle?

Back

The base is the side that is not equal in length to the other two sides.

Front

How can you determine if a triangle is equilateral?

Back

A triangle is equilateral if all three sides are equal in length.

Front

What is the relationship between the sides and angles in an equilateral triangle?

Back

In an equilateral triangle, all angles are equal to 60 degrees.