An interior angle is any angle on the interior of the triangle.
An Acute Triangle
The 3 interior angles of a triangle add up to 180 degrees
A triangle has 3 interior angles which have a sum of 180 degrees
The sum of the interior angles of a triangle on a plane is always 180 degrees.
interior is the inside of a triangle but is connected to the triangle.
The sum of the interior angles in a triangle is 180 degrees
An interior angle is any angle on the interior of the triangle.
A triangle with a 90o interior angle is called a 'right' triangle. BTW, any triangle can have only one 90o interior angle
An Acute Triangle
Interior angles of a triangle have a sum of 180 degrees.
the Sum of the Interior of a triangle is 180
The 3 interior angles of a triangle add up to 180 degrees
A heptagon. It can have a reflex interior angle, a triangle cannot.
The sum of the interior angles of ANY triangle is 180 degrees.
Each of the interior angles of an equilateral triangle is 120 degrees.
A triangle has 3 interior angles which have a sum of 180 degrees