tolong in doong pliiis
Matematika
Mutiarakhrnsa
Pertanyaan
tolong in doong pliiis
1 Jawaban
-
1. Jawaban rifdahcaca
v = π . r² . t
628 = 314/100 . r² . 8
62800 = 314 . 8 . r²
62800 : 2512 = r²
25 = r²
5 = r
10 = d (b)