Q: How do you find a interior angle is without drawing a triangle in a shape?

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An interior angle is any angle on the interior of the triangle.

Either could have a larger interior angle. If they were regular, then the interior angle of a triangle would be 60 degrees whereas that of a heptagon would be 128.57 degrees. The REGULAR heptagon would have a larger interior angle than a REGULAR triangle.

The 3 interior angles of a triangle add up to 180 degrees

It is: 180-interior angle = exterior angle

The sum of the interior angles of a triangle on a plane is always 180 degrees.

Related questions

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

interior is the inside of a triangle but is connected to the triangle.

A heptagon. It can have a reflex interior angle, a triangle cannot.

Either could have a larger interior angle. If they were regular, then the interior angle of a triangle would be 60 degrees whereas that of a heptagon would be 128.57 degrees. The REGULAR heptagon would have a larger interior angle than a REGULAR triangle.

measure of exterior angle of triangle is equal to sum of interior angles. for eg. In triangle ABC, angle C is exterior angle angle A and angle B are interior angles so, C=A+B

It is: 180-interior angle = exterior angle

It is: 180-interior angle = exterior angle

a right triangle

Exterior angle+interior angle=180 degrees and 180-exterior angle=interior angle

180-the interior angle.

the Sum of the Interior of a triangle is 180