Solution: Find the largest angle of a triangle formed by joining the centers

Three circles of radii 6, 8 and 10 meters, respectively are tangent to each other externally. Find the largest angle of a triangle formed by joining the centers.

Find the largest angle of a triangle formed by joining the centers

Problem Statement:

Three circles of radii 6, 8 and 10 meters, respectively are tangent to each other externally. Find the largest angle of a triangle formed by joining the centers.

Problem Answer:

The largest angle of a triangle formed by joining the centers is 73.4°.

Solution:

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