l² = p² - ( R1 - R2 )²
l² = 15² - ( 5 + 4 )²
l² = 15² - 9²
l² = 225 - 81
l² = 224
l = √144
l = 12 cm
G Persekutuan Dalam² = p² - (r¹ + r²)²
G Persekutuan Dalam² = 15² - (5 + 4)²
G Persekutuan Dalam² = 15² - 9²
G Persekutuan Dalam² = 225 - 81
G Persekutuan Dalam² = 144
G Persekutuan Dalam = √144
G Persekutuan Dalam = 12 cm
UwU
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l² = p² - ( R1 - R2 )²
l² = 15² - ( 5 + 4 )²
l² = 15² - 9²
l² = 225 - 81
l² = 224
l = √144
l = 12 cm
SOAL 1
G Persekutuan Dalam² = p² - (r¹ + r²)²
G Persekutuan Dalam² = 15² - (5 + 4)²
G Persekutuan Dalam² = 15² - 9²
G Persekutuan Dalam² = 225 - 81
G Persekutuan Dalam² = 144
G Persekutuan Dalam = √144
G Persekutuan Dalam = 12 cm
UwU