Answer:
The area of the triangular case = 61.2 square inches
Explanation:
P.S - The exact question is -
Given - Mr. Sanders wants to display his American flag in a triangular case as shown below.
To find - What is the area of the triangular case ?
Proof -
Given that,
Base of triangle =

Height of triangle = 8.5 in
We know that,
Area of triangle =

=

=

=

= 61.2
∴ we get
The area of the triangular case = 61.2 square inches