jasperzhouzihe3018
jasperzhouzihe3018
12.12.2020 • 
Mathematics

In the diagram below, \text{m}\angle A = 59^{\circ},m∠A=59 ∘
, \text{m}\angle B = 55^{\circ}m∠B=55

and \text{m}\angle C = 78^{\circ}.m∠C=78

. Find \text{m}\angle D.m∠D.

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