Answer:
x^2+y^2=r^2 is quation of circle whose centre is (0,0)
The formula to find the area of this circle is:
A = pi(r^2)
A = 3.14(3.5^2)
A = 3.14(12.25)
A= 38.465 cm
Answer:
16
Step-by-step explanation:
calculator..........
Answer:
An equation is
.
Step-by-step explanation:
☆Since since we're given the slope, all we need to do is find the y-intercept.
☆The slope-intercept formula is: y = mx + b.
☆We are going to plug in according to the formula.
☆We have everything we need, so now we put it together.
Answer:
12.17
Step-by-step explanation: