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 2 years ago
This one has stumped me...
Three circles of radii 5 cm, 6 cm and 8 cm are positioned so that they just touch one another. Their centres form the vertices of a triangle. Find the largest angle in the triangle.
 2 years ago
This one has stumped me... Three circles of radii 5 cm, 6 cm and 8 cm are positioned so that they just touch one another. Their centres form the vertices of a triangle. Find the largest angle in the triangle.

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mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2The three sides measure 11, 13, and 14. The largest angle is opposite the longest side. Use the law of cosines to find it.

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2Add the radii of each two adjacent circles.

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0It's pretty easy. The radius remains the same.

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2dw:1361866815545:dw
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