Question

HELP PLEASE

17. A triangle has sides of length x, X -3 And x+6 what is the perimeter of the triangle?
A.3x+3
B.3x^3+3
C.3x^3+18
D.3x+9

Answer 1

A. 3x+3

Explanation:

The perimeter is found by adding all the side lengths:

(x)+(x-3)+(x+6)

=1x+1x+1x-3+6

=3x+3

(Remember, add x-terms to x-terms, and numbers to numbers)