Triangle

Written by Jerry Ratzlaff. Posted in Plane Geometry

Right Isosceles Triangle

  • One side of a right isosceles triangle is 90° and two angles are equal.

right isosceles triangle

Right Triangle

  • One side of a right triangle is 90°, the other two angles are unequal and no sides are equal.

right triangle

Equilateral Triangle

  • An equilateral triangle is when all three angles are equal.
  • A equilateral triangle is a polygon.

equilateral triangle

Isosceles Triangle

  • An isosceles triangle is when two sides are equal and two angles are equal.

isosceles triangle

Acute Triangle

  • An acute triangle is when all three angles of the triangle are less than right angles.
  • An acute triangle is a oblique triangle.

acute triangle

Obtuse Triangle

  • An obtuse triangle is when one of the three angles is greater than a right angle.
  • An obtuse triangle is a oblique triangle.

obtuse triangle

Scalene Triangle

  • An scalene triangle is when no sides and angles are equal.

scalene triangle