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 <==
Answer
angle 5 = 31°
Step-by-step explanation:
Step-by-step explanation:
is it's total displacement divided by the total time taken.
Makes no sense.
p.s i am a fourth grader