We are given that a circle has an area of 324π cm2. We are required to determine its radius. The formula for the area of a circle with radius r units is;

$A=pi*r*r$

We plug in the area given and solve for r;

$324pi=pi*r^{2}\\\\r^{2}=324\\\\r=18$

The radius of the circle is 18 cm

5 0

4 years ago

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Bet 40 points this is answered reported and deleted

faust18 [17]

Answer:

yea more than likely

Step-by-step explanation:

7 0

4 years ago

Solve for the <br> variable 8=2(x-5)+6x

shutvik [7]

Answer:

x=2.25

Step-by-step explanation:

8=2(x-5)+6x
8=2x-10+6x
8+10=2x+6x
18=8x
18/8=x
2.25=x

5 0

3 years ago

Hey! I’m in 5th grade and I need help EMERGENCY so I’m not really good at fractions so here is the question:

xxMikexx [17]

Answer:

1) 30: 1/4=30 x 4/1= 120

2)30:1/3= 30 x 3/1= 90

3) 120-90= 30

Step-by-step explanation:

5 0

3 years ago

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