Lesson Worksheet: Equilateral Triangles Mathematics • 11th Grade
In this worksheet, we will practice identifying equilateral triangles by their equal side lengths or equal angle measures to find a missing side length, perimeter, or area.
The perimeter of an equilateral triangle is equal to the perimeter of a rectangle with a length of 5 cm and a width of 4 cm. Find the length of one side of the triangle.
The area of an equilateral triangle is cm2. Find the side length.
The diagram shows an equilateral triangle. Find the length of its sides.
What is the ratio of the length of a side of an equilateral triangle to its perimeter?
A triangle has three sides equal in length and a perimeter of 24 length units. Find the length of one of its sides.