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Verified answer
Penyelesaian:Diket.:
R = 8 cm
r = 6 cm
d = 48 cm
Ditanya:
k = ....?
Jawab:
d = √ k² - (R + r)²
48 = √ k² - (8 + 6)²
48² = k² - 14²
2.304 = k² - 196
- k² = - 2.304 - 196
k² = 2.304 + 196
k² = 2.500
k = √2.500 cm
k = 50 cm
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Verified answer
Dik : r1 = 8 cm dan r2 = 6 cmd = 48 cm
ditanya, jarak = . . . .
misalkan jarak = p
d = √p^2 - (r1 + r2)^2
d^2 = p^2 - (r1 + r2)^2
48^2 = p^2 - ( 8 + 6)^2
2304 = p^2 - (14)^2
2304 = p^2 - 196
2304 + 196 = p^2
2500 = p^2
p^2 = 2500
p =√2500
p = 50 cm