In the figure, angle D measures 127° and angle A measures 75°.
2 answers:
Answer:
Step-by-step explanation:
∠C + ∠D = 180 {Linear pair}
∠C + 127 = 180
∠C = 180 - 127
In ΔABC ,
∠A + ∠B + ∠C = 180 {angle sum property of triangle}
∠B = 180 - ∠A - ∠C
b = 180 - 75 - (180 - 127)
Angles C and D are supplementary, or they add up to 180.
b = 180 - 75 - (180 - 127)
Hope this helps!
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