Question

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Answer 1

Answer:

1-43 degree

2-140 degree

Explanation:

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Answer 2

Answer:

In first figure,

x+47° = 90°

=> x = 90°-47°

=> x = 43°

In second figure,

x+40° = 180° (linear pair)

x = 180°-40°

x = 140°

Sum of measure of all the angles = 43°+47°+140°+40°

=> 270°

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