Answer:
B. 14
Step-by-step explanation:
Area of a triangle: [tex]\frac{1}{2} bh[/tex]
Base of this triangle: 7-3= 4 (look at image below)
Height of this triangle: 5+2= 7 (look at image below)
[tex]A=\frac{1}{2} (4)(7)\\A=\frac{1}{2} (28)\\A=14[/tex]
Hope this helps.
