Can someone answer this really fast?
2 answers:
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Answer:
x = 5
Step-by-step explanation:
These triangles are similar, so they are in proportion to each other. Because of this we can say (the lengths of the vertical sides) =
(the lengths of the hypotenuses). If we solve by cross-multiplying the numbers and then dividing we get x = 5.
Given:
The equation of a circle is:
To find:
Center and the circumference of the circle.
Solution:
The standard form of a circle is:
...(i)
Where, (h,k) is center and r is the radius.
We have,
...(ii)
On comparing (i) and (ii), we get
So, the center of the circle is (3,0) and the radius of the circle is .
Now, the circumference of the circle is:
Therefore, the circumference of the circle is about 35.5 units.