1. What is an equilateral triangle?

All its sides are equal All of its angles add up to 360 One side is longer than others

2. What is a hypotenuse?

Total length of all sides of triangle The longest side of triangle Two equal sides of a triangle

3. A triangle with one angle greater than 90 degrees?

Obtuse triangle Acute triangle Isosceles triangle

4. The sum of sides of triangle is called?

Area Volume Perimeter

5. Which ancient Greek philosopher studied triangles?

Euclid Pythagoras Archimedes