lingkaran Dik:D=14cm Dit=Luas berapa cm jawab yang benar

Lingkaran=Phi×r×r
=22/7×7×7
=154cm^2

[tex]r = D \div 2 \\ r = 14 \div 2 \\ r = 7 \: cm[/tex]

[tex]L = \pi \times r {}^{2} \\ L = \frac{22}{7} \times 7 \times 7\\ L = 154 \: cm {}^{2} [/tex]