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Anvisha [2.4K]
3 years ago
13

In the figure, angle D measures 127° and angle A measures 75°.

Mathematics
2 answers:
suter [353]3 years ago
8 0

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)

almond37 [142]3 years ago
4 0

Angles C and D are supplementary, or they add up to 180.

b = 180 - 75 - (180 - 127)

Hope this helps!

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