Answer:
obtuse
Step-by-step explanation:
if one angle is 25 and the other 50, then the third angle is 105, because all three angles have to add up to 180. So it is a obtuse triangle.
Answer:
5
-12 + 8 = -4
-4 - (-9) = -4 + 9 = 5
Step-by-step explanation:
Answer:
-7x^2 + 3x + 5
Step-by-step explanation:
-3x^2 + x + 5 - 4x^2 + 2x
Answer:
r=2/3
Step-by-step explanation:
