chelby2296
04.03.2021 •
Mathematics
Right answer will get brainlist
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Ответ:
Ответ:
length=19
Step-by-step explanation:
top is length and right side is breadth.
perimeter = 2(l+b)
74 = 2[(4z-1)+(3z+3)]
74/2 = 4z-1+3z+3
37 = 7z+2
7z= 37-2
7z = 35
z = 35/7
z = 5
.: length = top = 4z - 1= 4(5) - 1
= 20-1=19
.: length= 19