Geometry: An Interactive Journey to Mastery

(Greg DeLong) #1

 You have a piece of string that is 40 inches long.
D௘ͽ <RXXVHWKLVVWULQJWRPDNHWKHSHULPHWHURIDVTXDUH
What is the area of the square?
E௘ͽ <RXXVHWKHVWULQJWRPDNHWKHFLUFXPIHUHQFHRIDFLUFOH
What is the area of the circle?
F௘ͽ <RXXVHWKHVWULQJWRPDNHWKHSHULPHWHURIDVHPLFLUFOH
ͼ௘LQFOXGLQJLWVGLDPHWHU௘ͽ
 :KDWLVWKHDUHDRIWKLV¿JXUH"


 D௘ͽ :KDWFXULRXVSURSHUW\GRWKHIROORZLQJ¿JXUHVVKDUH"


E௘ͽ 7KHUHLVRQHPRUHULJKWWULDQJOHZLWKLQWHJHUVLGHOHQJWKVZLWKWKLVSURSHUW\:KDWLVLW"
F௘ͽ $UHWKHUHDQ\RWKHUUHFWDQJOHVZLWKLQWHJHUVLGHVWKDWKDYHWKLVSURSHUW\"

Figure 22.15

Figure 22.16

Figure 22.17

3


6


6


8


(^210)


4


4


Figure 22.18
Free download pdf