23.luas lingkaran=πr²=22/7×7×7=22×7=154cm²
luas persegi=s×s=14×14=196cm²
l persegi - l lingkaran = 196-154 = 42cm²(B)
24.v kubus =s³
5832=s³
s=18cm(A)
[tex]brainxx[/tex]
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23.luas lingkaran=πr²=22/7×7×7=22×7=154cm²
luas persegi=s×s=14×14=196cm²
l persegi - l lingkaran = 196-154 = 42cm²(B)
24.v kubus =s³
5832=s³
s=18cm(A)
[tex]brainxx[/tex]