Answer:
44.84
Step-by-step explanation:
The formula for this is lw + l √(w/2)^2 + h^2 + w * √(l/2)^2 = h^2
After that, you just input the values to get a total of 44.84 inches
Area of a triangle = 1/2 b•h
A = 1/2 b • h
A = 1/2 (10 cm • 9 cm)
A = 1/2 (90 cm^2)
A = 45 cm^2.
Try using the back of the book.