[tex]{ \gray{ \boxed{ \boxed{ \mathfrak{ \underline{ \red{pembahasan}}}}}}}[/tex]
Diketahui K = 72 m dan P = 4 + L, maka:
K = 2 (p+l)
72 = 2 (4 + l + l)
72 = 2(4 + 2l)
72 = 8 + 4l
64 = 4l
l = 64/4
l = 16 m
maka p = 4 + l = 4 + 16 = 20 m
Luas = p × l
= 20 × 16
= 320 m²
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[tex]{ \gray{ \boxed{ \boxed{ \mathfrak{ \underline{ \red{pembahasan}}}}}}}[/tex]
Diketahui K = 72 m dan P = 4 + L, maka:
K = 2 (p+l)
72 = 2 (4 + l + l)
72 = 2(4 + 2l)
72 = 8 + 4l
64 = 4l
l = 64/4
l = 16 m
maka p = 4 + l = 4 + 16 = 20 m
Luas = p × l
= 20 × 16
= 320 m²
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