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ori16
 2 years ago
a security camera, c rotates through 79°. the camera is 7 m and 9 m from two doors, A and B, on the same building. to the nearest metre how far apart are the doors?
ori16
 2 years ago
a security camera, c rotates through 79°. the camera is 7 m and 9 m from two doors, A and B, on the same building. to the nearest metre how far apart are the doors?

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ori16
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1379208562740:dw can someone help me please

Salmon
 2 years ago
Best ResponseYou've already chosen the best response.0Use this: Cosine rule \[c^2=a^2+b^2  [2ab][cosC]\]
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