Answer:
yes, since 483 is greater than 121, the correct answer is a whole number with a fraction:
483/121 = 3.991, or about 4. "483 is approx. four times 121."
(b) the unknown angle is 80°
Step-by-step explanation:
The unkown angle is:
[2(x-10)]°
Substituting "x" by 50 (part a)
[2(50-10)]°=[2(40)]°=80°
B
