Matematika Sekolah Menengah Atas A. 2.234B. 2.384C. 2.464D. 2.644​

kiangoldnerulv – March 05, 2023

A. 2.234
B. 2.384
C. 2.464
D. 2.644​

Jwbn :

[tex]\sf lp = 4 \times \pi \times {r}^{2} [/tex]

[tex]\sf lp = 4 \times \frac{22}{7} \times (14 \times 14)[/tex]

[tex]\sf lp = 4 \times \frac{22}{7} \times 196[/tex]

[tex]\sf lp = 4 \times \frac{22}{{\cancel{7}}} \times {\cancel{196}} \: {}^{\color{red}28} [/tex]

[tex]\sf lp = 4 \times 22 \times 28[/tex]

[tex]\sf lp = 88 \times 28[/tex]

[tex]\sf\color{blue} lp = {2.464 \: cm}^{2} [/tex]

Jwbn ≈ Opsi C. 2.464 cm²

Jawaban:

C. 2464

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