Unit 5 · Standard 6.G.1
Area of Regular Polygons
My Notes Level 1 Support Level 2 Standard Level 3 Enrichment
Today's objectives
Content Objective: I can find the area of a regular polygon by decomposing it into triangles.
Language Objective: I can explain my steps using the words regular polygon, decompose, triangle, and composite.
📖 See Learn It for the explanation and worked examples, and the Vocab tab for the words. These are your notes to fill in and keep.
✏️ Fill in each blank as we go. Use the Word Bank to help you.
📚 Word Bank — fill each blank with the best word
👆 Tap any word to see what it means and a picture.
Level 3: try the blanks from memory first, then check the bank.
- 1A polygon with all sides and all angles equal is a .
- 2To break a shape into smaller shapes is to it.
- 3A three-sided polygon is a .
- 4Made of two or more shapes combined, a figure is .
- 5A math rule written with symbols is a .
Reflect — Exit Ticket
A regular pentagon is decomposed into 5 triangles from its center. Each triangle has a base of 7 inches and a height of 4.8 inches. What is the total area of the pentagon?
- 84 sq in
- 16.8 sq in
- 168 sq in
- 84 in
Your answer: