Q:
# Can a triangle have two perpendicular sides?

A:
### Quick Answer

**A triangle can have two perpendicular sides.** If two sides are perpendicular, the angle they form is a right angle. A triangle can have only one right angle.

Credit:
Stockbyte
Stockbyte
Getty Images

A triangle cannot have two sides perpendicular to a third side. The sum of the three angles of a triangle is exactly 180 degrees. It must have three sides and three angles. Thus, it cannot have two angles whose sum comes to 180 degrees.

In a right triangle, two sides are always perpendicular. The measurements of these sides are used to calculate the area of a right triangle. In an acute or an obtuse triangle, no two sides are perpendicular.

Learn more about Trigonometry-
Q:
## What is the formula for finding the area of an isosceles right triangle?

A:

Full Answer >**The formula is Area = ½ times (Base times Height) or Area = (Base times Height) divided by 2.**Finding the area of an isosceles or right triangle is easy as long as the length of the base and the height are known.Filed Under: -
Q:
## What are the side lengths of an isosceles triangle?

A:

Full Answer >**An isosceles triangle has two side lengths that are equal and a remaining side that is of a different length.**The two interior angles that are opposite these sides are equal to each other. The unequal side length of an isosceles triangle is called the base.Filed Under: -
Q:
## What is Pascal's triangle?

A:

Full Answer >**Pascal's triangle is a geometric arrangement of binomial coefficients in a triangle.**Its construction is related to the binomial coefficients by Pascal's rule. This intricate number pattern was named after Blaise Pascal, a French mathematician, although it was known about by the Chinese and studied for 500 years before Pascal.Filed Under: -
Q:
## Does an isosceles triangle have rotational symmetry?

A:

Full Answer >**An isosceles triangle could have rotational symmetry if it were also an equilateral triangle.**An isosceles triangle is a triangle with at least two equal sides. An equilateral triangle is a triangle with exactly three equal sides. By definition, all equilateral triangles are also isosceles triangles.Filed Under: