Answer:
Enter the equations.
Multiply each equation by a number to get the lowest common multiple for one of the variables.
Add or subtract the two equations to eliminate that variable .
Substitute that variable into one of the equations and solve for the other variable.
360 ÷ 12 = 30.
The measure of an interior angle of a dodecagon is 30°. (:
Answer:
A≈78.54
Step-by-step explanation:
A=πr2
I think this is right
Answer:
2/3 of a year is 8 months.
Step-by-step explanation:
Since there is 12 months in a year, divide 12 by 3.
12÷3= 4
Now, multiply 4 by 2.
4×2= 8
This gives you the answer of 8 months.
