b.196 cm²
14×14=196
semoga bermanfaat:)
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b.196 cm²
14×14=196
semoga bermanfaat:)
=14cm×14cm
=196 cm²
1/2 lingkaran =1/2phi×r²
=1/2×22/7×7²
=1/2×154cm²
jadi, 196+77=273 cm²