Answer choices
396 ft2
420ft2
450 ft2
It’s not 420 I got it wrong

Answer:
396 ft²
Step-by-step explanation:
Area of the figure = area of the rectangle + area of the triangle
= L*W + ½*bh
L = 20 ft
W = 15 ft
b = 12 ft
h = 16 ft
Area of the figure = 20*15 + ½*12*16
= 300 + 96
= 396 ft²