Q:
# What Is a Triangle With Two Equal Sides?

**A triangle with two equal sides is called an isosceles triangle.** The angles opposite the equal sides in an isosceles triangle are also equal. The third, unequal side of an isosceles triangle is called the base of the triangle.

Credit:
Dejan
N/A
Getty Images

The altitude drawn on the base of an isosceles triangle helps in finding the area of the triangle, which is half the product of the altitude and the base. If all three sides and angles of a triangle are equal, it is called an equilateral triangle. Thus, an equilateral triangle is also an isosceles triangle. It is also called an equiangular triangle.

Learn more about Shapes-
Q:
## What Is the Perimeter of a Triangle?

A: The perimeter of a triangle is the total distance around its three outer sides. If a triangle has side lengths equal to D, E and F, then its perimeter is t... Full Answer >Filed Under: -
Q:
## What Is a Three-Sided Polygon Called?

A: A polygon with three sides is called a triangle. All triangles consist of three lines that are not collinear and three angles. Polygons can have any number... Full Answer >Filed Under: -
Q:
## How Do You Find the Orthocenter of a Triangle?

A: You can locate the orthocenter of a triangle by drawing the altitudes of each of the triangle's sides and pinpointing the point at which all three lines in... Full Answer >Filed Under: -
Q:
## What Do All Sides of a Triangle Add up To?

A: When the lengths of all sides of a triangle are added, the result is called the perimeter of the triangle. In general, a perimeter is the distance of the c... Full Answer >Filed Under: