R = 3.5 h = 10 2pi r (r+h) Tolong di bantu

By Posted on

R = 3.5
h = 10
2pi r (r+h)
Tolong di bantu

Jawaban Terkonfirmasi

2πr(r+h)
= 2 x 22/7 x 3,5(3,5 + 10)
= 2 x 11(13,5)
= 22(13,5)
= 297 cm²