Answer:
C. 52.5cm^2
Step-by-step explanation:
Area of a triangle - A=1/2bh or area=1/2 base times height
Area of a rectangle - A=lw or area=length times width
Separate the shapes first, you would draw a line between the two if this was on paper.
Find the separate areas.
Rectangle area:
8*5=40
Triangle area:
find the height first. the height of this triangle is the same as the length of the rectangle minus the 1 and 2 cms.
8-1-2=5
1/2*5*5=12.5
Now add the areas:
40+12.5=52.5cm^2
