Diketahui:
r1 = 12 cm
r2 = 8 cm
p = 25 cm
Ditanya: d = ...?
Jawab:
d = √(p² - (r1 + r2)²)
= √(25² - (12 + 8)²)
= √(25² - 20²)
= √(625 - 400)
= √225
= 15 cm
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Diketahui:
r1 = 12 cm
r2 = 8 cm
p = 25 cm
Ditanya: d = ...?
Jawab:
d = √(p² - (r1 + r2)²)
= √(25² - (12 + 8)²)
= √(25² - 20²)
= √(625 - 400)
= √225
= 15 cm