Isosceles and Equilateral triangles

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length.

Front

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

Back

180 degrees.

Front

If two angles of a triangle are equal, what type of triangle is it?

Back

Isosceles triangle.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

In an equilateral triangle, what is the measure of each angle?

Back

60 degrees.

Front

How do you determine if a triangle is scalene?

Back

A triangle is scalene if all three sides are of different lengths.

Front

What is the relationship between the sides of an isosceles triangle and its angles?

Back

The angles opposite the equal sides are also equal.

Front

If the length of one side of an equilateral triangle is 5 cm, what is its perimeter?

Back

15 cm (5 cm + 5 cm + 5 cm).

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.