Answer:
2x+23
Step-by-step explanation:
The perimeter of a triangle is calculated by adding the sum of all sides.
Therefore, in the given problem, the perimeter will be:
Perimeter = 21-x + 2x-3 + x+5
= 2x+23
Answer:24
2 x 2 x 3 x 7
2x2=4
4x3=12
12x7=84
Hope this helps explain what was needed to be solved! :)
