5.4 Equilateral and Isosceles Triangles Practice

Front

The two congruent sides of an isosceles triangle are called the...

Back

legs

Front

A triangle with at least 2 congruent sides is called...

Back

Isosceles

Front

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

Back

180 degrees

Front

In an equilateral triangle, each angle measures...

Back

60 degrees

Front

If two angles of a triangle are equal, the triangle is...

Back

Isosceles

Front

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

Back

hypotenuse

Front

In an isosceles triangle, the angles opposite the congruent sides are...

Back

equal

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

If the base of an isosceles triangle is 10 cm and the height is 5 cm, what is the area?

Back

25 cm²

Front

In an isosceles triangle, if the legs are 7 cm each and the base is 10 cm, what is the perimeter?

Back

24 cm