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igor_vitrenko [27]
2 years ago
8

Please Help quick!!! What is the value of a missing angle?​

Mathematics
2 answers:
kari74 [83]2 years ago
5 0

Answer:

69 degrees

Step-by-step explanation:

The full angle = 90 degrees.

One part of the full angle = 21 degrees

The other part of the full angle = x

Other angle = 90 - 21

=> the other angle = 69 degrees

sertanlavr [38]2 years ago
3 0

Answer:

69

Step-by-step explanation:

90-21=69

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Substitute x and y value in equation and check if it is true.

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