Answer:
3 feet.
Step-by-step explanation:
Now, we know that:
Area of a Triangle[tex]=\frac{1}{2}$ X Base X Height[/tex]
Substituting the given values, we have:
[tex]2.25=\dfrac{1}{2}$ X 1.5 X Height\\\\2.25=$\dfrac{1.5}{2}$ X Height\\\\Cross multiply\\\\2.25*2=1.5 X Height\\\\Divide both sides by 1.5 to solve for the height\\\\\dfrac{2.25*2}{1.5}=\dfrac{1.5 X Height}{1.5}\\\\$Height of the Triangle =3 feet[/tex]
Therefore, the height of the pennant is 3 feet.