Answer:
a = 60
Step-by-step explanation:
90 + 30 = 120
120 - 180 = 60
It should be 0.3181818181818 so it would be a repeating decimal
Answer:
44
Step-by-step explanation:
if 88 is the right angle degree, that means the acute angle would be half of 88.
88÷2=44
Answer:
169.12
Step-by-step explanation:
I hope this is correct. First, you want to divide the semi-circle and the rectangle. To find the area of the rectangle, you do 16 x 9 to get 144. To find the area of the semi-circle, you do 3.14x16/2 to get 25.12. Then you want to add 144 and 25.12 to get 169.12. I hope this helps
Answer:
35% and 525
Step-by-step explanation: