AlmightyThadd
29.06.2019 •
Mathematics
The perimeter or a rectangle is 54 centimeters and base length is twice the height what’s the area
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Ответ:
162 cm^2
Step-by-step explanation:
P=2L+2H
L=2H
54=2*2H+2H
54=4H+2H
54=6H
H=54/6
H=9 ANS. FOR THE HEIGHT.
L=2*9=18 ANS. FOR THE LENGTH.
PROOF:
54=2*18=2*9
54=36+18
54=54
AREA=LW
18*9=162 CM^2 IS THE AREA.
Hope this helps, have a good day. c;
Ответ: