3 lines intersect to form 5 angles. Clockwise, from top left, the angles are B = question mark, 90 degrees, C = question mark, D = 124 degrees, A = question mark.
What is the value of m∠A + m∠B?
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Answer:
angle a + angle b= 146-angle c
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Answer:
linear pair
56
Step-by-step explanation:
linear pair
56
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