Answer:
a) 78
b) 1275.....
Step-by-step explanation:
.............
I will answer if u post the ?s in a coment
<h2>
Radius of a Circle Given Center and Point</h2>
To find the radius of a circle when we're given the coordinates of its center and a point it contains, we can use the following formula for distance:
- is one point and is another
<h2>Solving the Question</h2>
We're given:
- Center: (-2,1)
- Point: (2,-1)
Plug these given points into the formula for distance:
<h2>Answer</h2>
Therefore, the radius of the circle is units, or approximately 4.47 units.
2nd one is 16.32 don’t stress, use mar way!! it explains it too ! i’ll be here if you need questions
70????? It looks the same as the other angle