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 where all three sides are of equal length.

Front

How many degrees are in a triangle?

Back

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

Front

What is the base of a triangle?

Back

The base of a triangle is any one of its sides, often the side on which the triangle is considered to 'stand'.

Front

What is the vertex of a triangle?

Back

A vertex of a triangle is a point where two sides meet.

Front

What do we call the longest side of a right triangle?

Back

The longest side of a right triangle is called the hypotenuse.

Front

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

Back

It is an isosceles triangle.

Front

What is the formula for finding the area of a triangle?

Back

The area of a triangle is found using the formula: Area = 1/2 * base * height.

Front

What is the height of a triangle?

Back

The height of a triangle is the perpendicular distance from the base to the opposite vertex.

Front

Can an equilateral triangle be isosceles?

Back

Yes, an equilateral triangle is also a special case of an isosceles triangle because it has at least two equal sides.