what is the area of the compact disc?
a. 36 square centimeters.
b.18.84 square centimeters
c. 452.16 square centimeters
d. 113.04 square centimeters
the area of a gymnasism floor is 264 square yards. The floor is 11 yards wide. How long is the floor.
a. 253 yards
b. 24 yards.
c. 11 yards
d. 242 yards
store spaces in a shopping mall is often rented by the square foot. what is the area of a rectangular jewelry store that is 12 feet wide and 18 feet long?
a.68 square feet
b. 576 square feet
c. 216 square feet
d. 288 square feet
2006-08-21 09:42:42 · 5 answers · asked by xcx_zqz_kvk 3 in Science & Mathematics ➔ Mathematics
A = pi * r^2
A = pi * 6^2
A = 36pi
If you are using 3.14 for pi, then
ANS : D.) 113.04 cm^2
---------------------------------------
A = LW
264 = 11 * L
L = 24
ANS : b.) 24 yrds
---------------------------------------
A = LW
A = 12 * 18
A = 216 ft^2
ANS : c.) 216 ft^2
2006-08-21 11:31:31 · answer #1 · answered by Sherman81 6 · 2⤊ 0⤋
1. The area of a circle is pi*r^2, so it is 3.14*6^2 which is 113.04, so go with answer d.
2. the area of a square or rectangular area is l*w. So if you have the area and the width, just put it in and divide. 264=l *11 is 24. Answer is b
3. again, area = l*w 12*18= 216 so answer is c
2006-08-21 09:57:56 · answer #2 · answered by ht_butterfly27 4 · 0⤊ 0⤋
1) = 6^2 * pi = 113.04
2) = 264 / 11 = 24
3) = 12 *18 = 216
2006-08-21 10:13:12 · answer #3 · answered by siavash 1 · 0⤊ 0⤋
area of circle
pi x r^2 = pi*6^2 = 113.04
(ignoring the hole)
area of rectangle = length * width
264/11= width
= 24
12*18 as per above formula
216.
Make sure that the understanding is there, otherwise perhaps the Yahoo Answers community may not be there to help...
2006-08-21 09:54:54 · answer #4 · answered by TRE 3 · 1⤊ 0⤋
(1) d
(2) b
(3) c
If you really need someone to be doing this kind of homework for you, maybe you really should be thinking about a career flipping burgers at Micky D's.
Doug
2006-08-21 09:58:08 · answer #5 · answered by doug_donaghue 7 · 2⤊ 2⤋