Answer:
Hey there !
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Answer:

Step-by-step explanation:
The equation of a circle is
where
is the center of the circle and
is the radius of the circle.
Given that
and it passes
, their distance between each other must the radius of the circle, so we can use the distance formula to find the radius:

Therefore, if the length of the radius is
units, then
, making the final equation of the circle 
Hi there!
We can find the area of a triangle with the formula:

Filling in this formula gives us the following answers.
Triangle 1

Triangle 2

Triangle 3
Answer:
x=5
Step-by-step explanation:
Answer:
1.4
Step-by-step explanation: