This is a formula if you need one. DON'T forget to cross-multiply
3/4 = x/12
The answer will be B because all three angles of the triangles add up to180 degrees, and we already know the total of two other angles are 100 degrees, which made the unknown angles have 80 degrees. Hope it help!
Answer:
64.3738
Step-by-step explanation:
Answer:
4 units
Step-by-step explanation:
i took the test :) gl