A.1.740 cm²b.1.640 cm²c.1.540 cm²​

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A.1.740 cm²b.1.640 cm²c.1.540 cm²​

A.1.740 cm²b.1.640 cm²c.1.540 cm²​

Jawaban:

C. 1.540

Penjelasan dengan langkah-langkah:

Diket = r = 7 Cm

= t = 28 Cm

Ditanya = luas tabung?

Jawab =

L. = 2 x π x r x ( r + t )

L. = 2 x 22/7 x 7 x ( 7 + 28 )

L. = 2 x 22

= 44

= ( 7 + 28 )

= 35

L. = 44 x 35

L. = 1.540

maaf kalau salah

semoga bermanfaat