Answer:
5
Step-by-step explanation:
This is honestly a pure guess, but I am guessing they want you to find a perfect triangle, and 3,4,5 is the smallest perfect triangle. Considering they also said it was a right triangle, I strongly beleive the answer is 5.
Answer:4.5
Step-by-step explanation:
A 0 1 2 3
B 0 1.5 3 4.5
210 divided by 12 is 17.5 so u]your answer is 17.5