Answer:
477.52cm^2
Step-by-step explanation:
Brainliest or I will report you
Answer:
The answer is 5X+16
Step-by-step explanation:
The formula for perimeter of a triangle is a+b+c.
meaning we are adding up everything.
That is
(x)+(x+11)+(3x+5).
collect like terms.
and u end up getting
5x+16
A = LW
Divide both sides by L (To isolate W)
W = 
The answer is 6500 decigrams. I hope that helps