227k views
0 votes
Please Please Help Me On This Question Mathematicians!!!!

Please Please Help Me On This Question Mathematicians!!!!-example-1

1 Answer

2 votes

Answer:

G. 8m

Explanation:

The perimeter of the given triangle:


(-x^2+3x+30)+(x^2-9)+(18-2x)=44


-x^2+3x+30+x^2-9+18-2x=44 combine like terms


(-x^2+x^2)+(3x-2x)+(30-9+18)=44


x+39=44 subtract 39 from both sides


x=5

The length of the shortes side:


18-2x=18-2(5)=18-10=8\ m

User Yassir
by
8.1k points