The sum of all but one interior angle of a heptagon is 776°. What is the measure of the final interior angle?
Which statements are true about the regular polygon? Select three options.
Three interior angles of a quadrilateral measure 55°, 117°, and 120°. What is the measure of the fourth interior angle?
A polygon with 7 sides is shown. An angle goes inside of the shape.

A polygon with 6 sides is shown. No angles go inside of the shape.

Each exterior angle of a regular decagon has a measure of (3x + 6)°. What is the value of x?
What is the sum of the measures of the interior angles of a 12-gon?
Which polygon has an interior angle sum of 900°?





Did you find these answers helpful?