The arc measurement of the sector is 216°.
Therefore the area of the sector is 216/360 = 0.6 of the area of the entire circle.
Let r = the radius of the circle.
Then the area of the circle is πr².
Therefore the area of the sector is
0.6*πr²
Because the area of the sector is 15π cm², therefore
0.6πr² = 15π
r² = 15/0.6 = 25
r = 5 cm
Answer: 5 cm
Answer:
60°
Step-by-step explanation:
All the sides are of equal length, 12,12,12 , 60,60, ?, so it is 60
Answer:
Given:
To calculate how many electrons have the same mass as one dust particle, divide the mass of a dust particle by the mass of an electron:
Therefore, approximately electrons have the same mass as one dust particle.
Answer:
2.25
Explanation:
1 1/2 * 1 1/2 * 1 = 2.25 or 2 1/4
If one gallon equals 4 quarts then the first part of the equation would be 4+
Next, if you have 2 quarts of paint, the equation would become 4+2
And lastly, if you have 3 pints of red paint, that would become 1.5 quarts. So your final equation would be 4+2+1.5= 7.5 quarts of paint.
Final answer: 7.5 quarts