Answer:
A and C is the correct answer
The answer is d.
∠a=40°
Step-by-step explanation:
complement of angle a=90-a
supplement of angle a=180-a
90-a=1/2(180-a)-20
multiply by 2
180-2a=180-a-40
180-180+40=-a+2a
a=40
Answer
42.66
each foot is 5.33 so 5.33 x 8 is 42.66
