The endpoints of a diameter of a circle are (4,-2) and (3,6). The area of the circle in terms of pi is 65pi
First, is to get the length of the diameter by getting the distance of the two points: (4, -2) and (3, 6)
dis = sqrt( (x2-x1)^2 + (y2-y1)^2)
dis = sqrt( (3-4)^2 + (6--2)^2 )
dis = sqrt( 1 + 64 )
dis = sqrt(65)
Next, is to find the area of the circle:
A = pi * r^2
A = pi * (sqrt(65))^2
A = 204.20 square units
Answer:
25
Step-by-step explanation:
Answer: 4 meters
Step-by-step explanation:
20 + -16=4
Decrease in the price is = 320 - 240 = 80
So, percentage will be: 80/320 * 100 = 25%
So, option A is your answer.
Hope this helps!
Answer:x=7& y= 2
Step-by-step explanation:
x+3y=13
3x+2y=25
Using elimination method
We have
3× x+3y=13......I
1×3x+2y=25....ii
3x+9y=39
3x+2y=25
7y=14
Divide through by 7
y=2
Substitute for y in equation i
x+3(2)=13
x+6=13
x=7
