Because both of the equations = s, we can set them equal to each other.
c + 7 = 2c - 13. Now we can solve for c. Once you have found c, you can substitute it back into either of the two original equations and solve for s.
To now the difference you just have to subtract and will give you 1.68
Answer:
19
Step-by-step explanation:
Answer:
14.4913767
Step-by-step explanation:
If <a=90 or <b=90 or < c=90 the triangle is right
if one of the angles is > 90 the triangle is obtuse
if all the angles are < 90 the triangle is acute