Answer:
48/3
Step-by-step explanation:
7. the formula for octagon is a=2(1+radical2)s^2
s=4
a=about 77.25
8.
Answer:
1000( 1 + 7/100)^4 = 1310.79601 which is 1311
60 ft = 720 inches
15 ft = 180 inches
6 inches / 720 inches = 1/120
x inches / 180 inches = 1/120
1.5 = 1/120 of 180
The width of the model in inches is 1.5 inches.
Answer:
200 square cm ooooooooooooooooooo