tolong yak kak besok di kumpulin
Matematika
linakarlina4
Pertanyaan
tolong yak kak besok di kumpulin
1 Jawaban
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1. Jawaban NN25
L = 2 phi r^2 + 2 phi r t
= 2. 3,14. (5cm)^2 + 2. 3,14. 5cm. 10 cm
= 157cm^2 +314 cm^2
=471 cm^2