K = 20
2(p + l) = 20
p + l = 10
l + 2 + l = 10
2l = 8
l = 4.
p = 6.
L = 24 cm^2.
Keliling = 20 cm
panjang = 2 cm + L
Keliling = 2(p+L)
2(2cm+L+L) = 20 cm
4cm +4L = 20 cm
4L = 16 cm
L = 4 cm
P = 2cm+L
P = 6 cm
Luas = p x L
luas = 6 cm x 4 cm
Luas = 24 cm²
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K = 20
2(p + l) = 20
p + l = 10
l + 2 + l = 10
2l = 8
l = 4.
p = 6.
L = 24 cm^2.
Keliling = 20 cm
panjang = 2 cm + L
Keliling = 2(p+L)
2(2cm+L+L) = 20 cm
4cm +4L = 20 cm
4L = 16 cm
L = 4 cm
P = 2cm+L
P = 6 cm
Luas = p x L
luas = 6 cm x 4 cm
Luas = 24 cm²