
Answer:
75 square inches
Step-by-step explanation:
Area of a Triangle = 1/2 Ă— Base Ă— Height
From the above question:
Base = 30 Inches
Height = 5 inches
Hence:
Area = 1/2 Ă— 30 in Ă— 5 in
Area = 75 square inches
Therefore, the area of one of the triangular pieces of wood that she needs to build the ramp is 75 square inches