Answer:
x = 60.5°
Step-by-step explanation:
We use the exterior angle theorem to solve this
90 + 31 = 121
121/2 = 60.5
Thus, our answer is 60.5°
Answer: A
Step-by-step explanation:
Because to find if proportional you need to divide
Since the sum of third side of a triangle is smaller than the sum of other two sides
So n<12+5
n<17
Answer:
B.)18
Step-by-step explanation:
25+17=42
|37-13|=|24|
42-|24|=18