Answer:
no if the triangle has a right angle its a right triangle
Step-by-step explanation:
Both are supplementary angles.




Answer:
56.8
Step-by-step explanation:
284/5=56.8
Answer:
r=7
Step-by-step explanation:
-84+15r=3r
Subtract 15r from each side
-84+15r-15r=3r-15r
-84 = -12r
Divide each side by -12
-84/-12 = -12r/-12
7 = r