Answer:
10 scarves
Step-by-step explanation:
each scarf is $15, 10 of them is 150 because 10 x 15 = 150
Answer:
The formula to find the volume of a hemisphere is 2TTr3 / 3, where pi is 3.14, and the radius is half of the diameter.
Step-by-step explanation:
Answer: 29.9
Step-by-step explanation:
We know that
1 m = 100 cm
4 m = 400 cm
Circumference of ball
= 3.14 x
= 13.37 cm
400 / 13.37
Answer:
40π in^2
Step-by-step explanation:
360°/72°=5
so, each of the two shaded regions are 1/5 of the circle.
the formula for finding the area of a circle is πr^2, so:
area for one of the shaded regions:
1/5πr^2
1/5π(10)^2
1/5π100
20π in^2
this means that the area for one of the shaded regions is 20π. however, since there are two of them:
2(20π)=40π
so, the area of the shaded regions is 40πin^2
