3 years ago

Please help me find x.

Mathematics

2 answers:

icang [17]3 years ago

8 0

Answer:

81°

Step-by-step explanation:

x + 99 = 180

x = 180 - 99

x = 81

AnnZ [28]3 years ago

6 0

Answer:

x = 81°

Step-by-step explanation:

The two angles shown add up to 180° because they are supplementary because they forma straight line. So, we can write an equation to model the situation:

x° + 99° = 180°

x = 81°

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