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Mathematics 21 Online
OpenStudy (anonymous):

MEDAL & FAN ANYBODY ? Find the values of a and b. The diagram is not to scale. a. a = 144, b = 67 b. a = 144, b = 36 c. a = 113, b = 67 d. a = 113, b = 36

OpenStudy (anonymous):

sammixboo (sammixboo):

With trapezoids, all the angles add up to 360 degrees, and since we have two angles given, we add up those angles and subtract the sum of the two angles given, and take it away from 360 113 + 36 = 149 360 - 149 = 211 So now we know the other two missing angles add up two 211 Now we can take all the choices and add them up to see if they equal 211 or not a - 144 + 67 = ? b - 144 + 36 = ? c - 113 + 67 = ? b - 113 + 36 = ?

sammixboo (sammixboo):

Once you have finished, tell me what you got =)

OpenStudy (anonymous):

a. 211 B. 180 c.180 d.149 @sammixboo

sammixboo (sammixboo):

So your answer is A :)

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