Ronald spent $133.55 on school clothes. he counted his money and discovered that he had $34.45 left. how much money did he origi
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Let us draw a triangle ABC with A=15° ,B=113° and b=7.
Please see the attached image.
We know that the sum of interior angles of a triangle is 180 degrees. Thus, we have
Apply Sine rule in the triangle ABC, we get
Therefore, we have
