3 years ago

Triangle X Y Z is shown. The length of X Z is 12, the length of Y Z is 11, and the length of Y X is 6.

Mathematics

2 answers:

LenaWriter [7]3 years ago

7 0

Answer:

84 degrees

Step-by-step explanation:

Applying the Cosine Rule (Choice 2 is the correct one) :-

12^2 = 11^2 + 6^2 - 2*11*6 cos Y

144 = 121 + 36 - 132 cos Y

cos Y = (121 + 36 - 144) / 132

cos Y = 0.09848

Y = 84.3 degrees

-Dominant- [34]3 years ago

7 0

Answer:

84 degrees

Step-by-step explanation:

got it right on Edge 2021! ^_^

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