Scalene triangles have 3 sides of different lengths
Isosceles triangles have 2 sides of the same length
Equilateral triangles have 3 sides of the same length
This triangles has a tick mark on 2 sides, meaning that 2 sides are the same length, making this an isosceles triangle
Answer:7
Step-by-step explanation:
3x-16+x=2x-2 combine like terms
4x-16=2x-2
4x-2x=16+-2 bring like terms together
2x=14 divide each side by 2.
X=7
Answer:
the number of people as well as the number of chairs is 5.
Step-by-step explanation:
5! = 5x4x3x2x1= 120
so therefore, there are exactly 120 ways in which they can be seated.