SOLUTION: Area of Sail: The area in square meters for a triangular sail is given by A(x) = x2 + 5x + 6 A. Find A(5) B. If the height of the sail is x + 3 meters, then what is the leng

Question 201850: Area of Sail: The area in square meters for a triangular sail is given by
A(x) = x2 + 5x + 6
A. Find A(5)
B. If the height of the sail is x + 3 meters, then what is the length of the base of the sail?
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
If:

A) Find A(5)

B) If the height (h) of the triangular sail is (x+3) meters, then what is the length of the base (b) of the sail?
Start with the formula for the area of a triangle:
Substitute and
Factor the trinomial on the left side.
Divide both sides by (x+3).
Cancel the common factors on the left side.
Multiply both sides by 2.
or

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