Answer: C. 1.75x²
Step-by-step explanation:
The area of a triangle can be found with the following formula, where b is the base and h is the height of the triangle.
[tex]\displaystyle A=\frac{1}{2} bh[/tex]
[tex]\displaystyle A=\frac{1}{2} (x)(3.5x)[/tex]
[tex]\displaystyle A=\frac{1}{2} (x)(3.5x)[/tex]
A = 1.75x²
The expression that represents the area of Brad's banner, in square inches, is;
C. 1.75x²
