The area of the triangle is .
Observe the graph:
\The height of the triangle is .
The base of the triangle is .
Formula for area of the triangle is .
(Substitute
,
and
)
(Multiplication:
)
(Cross products)
(Add
to each side)
(Substitution:
)
(Factor
)
(Take the square root of each side)
(Simplify)
(Subtract
from each side)
(Apply additive inverse property :
)
and
(Separate the solutions)
and
(Using caluculator:
)
and
Therefore, the solutions are and
.
The solutions are and
.