SOLUTION: Segment RS is an altitude of triangle PQR. Find the area of the triangle. Triangle PQR with altitude RS is shown. Point P is at negative 2, 1. Point Q is at 6, 1. Point R is at

Question 1035507: Segment RS is an altitude of triangle PQR. Find the area of the triangle.
Triangle PQR with altitude RS is shown. Point P is at negative 2, 1. Point Q is at 6, 1. Point R is at 4, negative 3. Point S is at 4, 1.
15.5
16
17.5
18
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
With , , , ,
the and its look like this:

The length of base PQ is the difference in the x-coordinates of P and Q,
, because the y-coordinates are both the same, .
The height (the length of altitude RS is the difference in the y-coordinates of R and S,
, because the y-coordinates are both the same, .
The area is
.
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