How to use this book When you see

How to use this book: When you see a star, click for a definition of a word on the page! Click through the pages for pop-ups and activities!

Radius: Distance from the center of the circle to the outside edge.

thetotalwidth lengthofofthe If. Ifthe originaltableisis 520 feet the original feet the lengthofofeachhalfofofthe width tablewouldstill be: be 5 feet. table 20 divided by 2. Why? 20/2= 10 Feet Click 10 feet

Remember the original square table? We can cut the square table diagonally into two triangles. • Find the length of the diagonal. Find the diagonal using the Pythagoran Theorem: c a b a 2 + b 2 = c 2 • 10 ft 2 + 10 ft 2 = c 2 • 100 ft + 100 ft = 200 ft so c 2 Click here to show work and answer! =200 • Square root of 200 = 14. 14 ft

Octagon: A polygon with 8 angles and 8 sides. Click on the octagon on the page. CORRECT!

Equation: 12/ 8 = ? Can 12 be divided equally by 8? NO Your Turn! If there are eight sides of the table, and twelve knights, how 12/8 many = 1. 5 knights would be on each side of the table, if. There you didn’t king? so, some can notinclude be halfthe a knight sides will have one person for all sides to Show your work by writing an equation or drawing a be occupied. picture to arrive at the answer. Click to show Work!

Why do you think there was “great commotion” from the ends of the table? Justify your response.

Diameter: The distance from one edge of the circle to the other through the center. If Lady Di, from the tip of her fingers to the bottom of her feet, is 6 feet tall, what is the diameter of the table?

If Lady Di , is 6 feet tall from the tip of her fingers, how tall is Radius? Click to Show Answer Radius is ½ as tall as Lady Di. Radius is 3 feet tall.

Circumference: Distance around the edge of a circle.