Answer: the area is 20 square centimeters.
Step-by-step explanation:
The area of an arc of angle x in a circle of radius r is:
A = (x/3.14)*3.14*r^2 = x*r^2
here we have x = (4/5)*3.14 and r = 5cm
Then the area is:
A = (4/5)*(5cm)^2 = 20cm^2
Answer:
10pi^2
$98.30=5.1a+11.698.30-11.6=5a+11.6-11.686.7=5a86.7/5=5a/517.34=a So only 17 people can attend
34
<u>Given</u>:
<u>Find the rate s:</u>
2x+4y=12
Subtract both
Put the value in eq(2)
