Tiara bought a cylindrical shaped cake with a base area of 64 square inches. The image below is a top view of the cake. The shaded portion represents the chocolate flavored icing and the white square portion represents the vanilla flavored icing.

Tiara cuts out a piece of cake with chocolate icing for herself and a piece of cake with vanilla icing for Meg, as shown below.
http://go.flvs.net/courses/1/flvs_57_3641_12676/ppg/respondus/pool_Geom_3641_Seg_Two_Practice_Exam_01/image0384e9da061.jpg

Question

Tiara bought a cylindrical shaped cake with a base area of 64 square inches. The image below is a top view of the cake. The shaded portion represents the chocolate flavored icing and the white square portion represents the vanilla flavored icing.

Tiara cuts out a piece of cake with chocolate icing for herself and a piece of cake with vanilla icing for Meg, as shown below.
http://go.flvs.net/courses/1/flvs_57_3641_12676/ppg/respondus/pool_Geom_3641_Seg_Two_Practice_Exam_01/image0384e9da061.jpg

anonymous · Answer

Assuming the icing only appears on top of the cake, about how much more icing did Meg get than Tiara? Use 3.14 for π.
Answer
		
4.4 in2
		
6.8 in2
		
10.2 in2
		
12.2 in2

paxpolaris · Answer

|dw:1337883577580:dw|

Tiara gets the circle-segment ... Meg the triangle

anonymous · Answer

yes, i get that part. im kinda looking for a formula or equation i can use and plug numbers into to figure the answer out..

paxpolaris · Answer

to find the area of the segment ... you do :
area of the SECTOR  minus area of TRIANGLE

paxpolaris · Answer

first what's the area of the whole SECTOR being cut ?

paxpolaris · Answer

$$= {90\over360} \times (area\ of\ Circle) $$|dw:1337884191361:dw|