Answer:
Step-by-step explanation:
Area = area of rectangle 1 + area of rectangle 2 + area of rectangle 3 +area of triangle
= 8*12 + 12*9 + 19 *5 + (1/2) * 4 *12
= 96 + 108 + 95 + 24
= 323 sq. cm
Lower quartile (xL): 16.75
Median (xm): 24.5
Upper quartile (xU): 33.5
A
The answer is 162
I hope this help