Answer:
The formula for circumference of a circle is
2pi,R.
In which R= radius. Then we Insert 18 in for the circumstances.
so, 18=2πr
then solving for r
18=2
÷. ÷
2. 2
R = 9,,
Answer: hay im back
Step-by-step explanation:
6
(-12)^2-4*1*36=0
144-144=0
x= -(-12)/2*1=
12/2=
x=6
15
All sides of a rhombus are equal, so
