Answer:
Area of circle = πr^2
Area of circle when diameter is 2x; r=x
=πx^2
Sara needs to collect 1200 signatures.
Step-by-step explanation:
Let,
x be the total number of signatures she needs to collect
Given percentage = 36%
Signature collected = 432
According of statement;
36% of x = 432


Sara needs to collect 1200 signatures.
Keywords: Percentage, Division
Learn more about percentages at:
#LearnwithBrainly
So it would equal to 8/10 and divide by 2 which you would get 4/5
No entiendo....................
Volume of a cylinder= π r^2 h
.4= radius
π• 4^2 • 3= 150. 79