so iziiKELAS 5 SDTERLAMPIR .... Question from @ChanHoonvers

July 2022 2 21 Report

so izii

KELAS 5 SD

TERLAMPIR

XxDarknessxX

Lp tabung

2πr ( r + t )

2 × 22/7 × 21 ( 21 + 40 )

2 × 22 × 3 ( 61 )

44 × 3 ( 61 )

132 ( 61 )

8.052 cm²

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2 votes Thanks 2

Yourppies

D. 8.052 cm2

Penjelasan dengan langkah-langkah:

$\sf \: lp = 2 \pi r \: (r + t)$

$\sf \: lp = 2 \times \frac{22}{ \bcancel7} \times \bcancel{ 2 {1}^{3} } \times (21 + 40)$

$\sf \: lp = 2 \times 66 \times 61$

$\sf \: lp = 132 \times 61$

$\sf \: lp = \red{ 8.052 \: {cm}^{2} }$

$\:$

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0 votes Thanks 3

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