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Verified answer
A. panjang selimut tabung=2.π.r
=2.22/7.14
=88 cm
b. lebar selimut tabung = tinggi tabung
lebar selimut tabung = 10 cm
Verified answer
Dik. Jari² tabung = 7 cm & Tinggi tabung = 10cm. π = 22/7.Dit. a) Panjang selimut tabung & b) Luas selimut tabung ?
Jawab...
a) Panjang selimut tabung : 2 x π x r
@ 2 x 22/7 x 14
@ 28 x 22/7
@ 88 cm²
b) Lebar selimut tabung = tinngi tabung = 10 cm
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