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Find missing measure (No.5)

Find missing measure (No.5)-example-1

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Answer:

Explanation:

61+90+76+angle 2=360(sum of four angles is always 360 degree)

227+angle 2=360

angle 2=360-227

angle 2=133

angle 1=76 degree(being vertically opposite angle)

angle 1+angle 3+120+88=360(sum of four angles ia always 360 degree)

76+angle 3+208=360

angle 3=360-284

angle 3=76 degree

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