it is true because al triangles angles MUST add up to 180
Answer:
40%
Step-by-step explanation:
18+12+20=50
20/50×100=
40%
Answer:
105
Step-by-step explanation:
273/13 × 5= 105
That's the correct answer
First, you do 18 miles times 3 hours.
The answer is 54
The you do 15 miles time 2 hours
The answer is 30
You can add them all up and get 84 miles total. (D)