Perimeter of a triangle = all 3 sides added together
x + (x - 4) + (x - 4) = 19
3x - 8 = 19
3x = 19 + 8
3x = 27
x = 27/3
x = 9 <==
Acute angles are angles that measure below 90°, meaning below a right angle.
Answer: 9
Step-by-step explanation:
Answer: 2 out of 20=2/20 but simplified 1/10 for trying to get a green marble.
