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44 = 2 x 22/7 x r
r = 7
panjang garis singgung persekutuan dalam (d)
jarak kedua titik pusat (p)
d² = p² - (R + r)²
= 26² - (7 + 3)²
= 676 - 100
= 576
= 24²
d = 24 cm