Two circles of radii 16 cm and 9 cm touch each other externally

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1

Two circles of radii 16 cm and 9 cm touch each other externally. Find the length of the direct common tangent.

2

Length of direct common tangent =image
Here, d = distance between centres of circles = 16 + 9 = 25 cm
r1 = 16 cm and r2 = 9 cm
Thus, we have
image