A new firehouse is being built equidistant from three other fire stations. Positioned on a grid, the current fire stations would be located at (3, 7), (−1, −1), and (−4, 8). What are the coordinates of the location where the new firehouse should be built? (PLEASE INCLUDE AN EXPLANATION)

Step-by-step explanation:

Step 1: Find out what the question is asking

Because we want the point to be equidistant to all the vertices of the triangle formed we want the circumcenter of the triangle as it is equidistant from all of the vertices, a circumcenter is made from the perpendicular bisectors of the triangle

Step 2: Give the vertices variables

A = (-4,8)

B = (-1,-1)

C = (3,7)

Step 2: Find the Circumcenter

Find the mid point of side AB

MAB

Find the slope of side AB

mAB

Solve for 'b'

Therefore the equation for line AB is:

y = -3x + 8

Find the midpoint of side AC

MAC

Find slope of AC

mAC

Solve for 'b'

Therefore the equation for line AC is:

y = x+

Step 3: Find the P.O.I of the 2 lines

Set both of the equation equal to each other

We now know 'x' and we substitute x into any equation to find 'y'

Therefore the new firehouse should be built at

sas (side angle side)

aa (angle angle)

sss(side side side)

sas find two sides with an angle in between

aa is finding two angles and the third will add up to 180

sss find all sides

step-by-step explanation:

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