Question

4. Find the perimeter of a triangle with side
lengths: 6, (5-1), and (b-2).

Answer 1

P= b+8

P= a+b+c

P= 6+4+b -2

P= 10-2+b

P= 8+b

P= b+8

Answer 2

P=21

Explanation:

P=a+b+c=6+7+8=21