Grade 5 · G
Properties of 2D Polygons
Classify polygons (e.g. rhombuses, rectangles, squares) based on shared properties in a hierarchy.
Grade 5Common Core 5.G.B.4GVerified correct ✓
Worked examples
What is the sum of the interior angles of a decagon?
Answer: 1440
What is the sum of the interior angles of a octagon?
Answer: 1080
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