Answer:
9
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
perimiter=2(L+W)=42
42=2(L+W)
divide by 2
21=L+W
length is 6 longer than width
L=6+W
subsituet
21=L+W
21=(6+W)+W
21=6+2W
minus 6 both sides
15=2W
7.5=W
width is 7.5 meters
Answer:
X=90 and Y=43
Step-by-step explanation:
180-47-47=86
86/2=43
180-47-43=90
