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Doctors Medicines MCQs Q&A

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If you know only 1 side but all 3 angles, you can use the rule of sines to find the remaining sides, then calculate the perimeter. If you know 1 side and 1 angle, you won’t be able to find the perimeter unless you’re dealing with a right triangle. For right triangles, you know that 1 angle is always 90°, so if you know another angle, you can use the sum of angles (180°) to figure out the third one. From there, you can use the laws of sine and cosine to figure out the other sides.

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