Skip to content

K–12 course Available practice SAT practice Sign in Admin

grade 10 · GEOM-006

Find a polygon angle sum

Use a triangulation from one vertex to explain the interior-angle sum formula.

← Learning map

Learn together Try with a hint Show what I know

Try with a hintFresh problem · seed 678046691

What is the sum of the interior angles of a 4-sided polygon?

Give me one hint

Draw diagonals from one vertex.

Your answer

It is always okay to go back to more help.

Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.