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Makovka662 [10]
3 years ago
8

Find Y of the polygon

Mathematics
2 answers:
Deffense [45]3 years ago
7 0
I that 'y' is 45 degrees because of alternate angles (I think its called).

If you look at the large triangle on the left where the corner angles are 35 and 80 and 20+an unknown angle. We can work out the missing angle by doing 180-80-35-20= 45. 

And so if we use the fact that alternate angle must be equal then y= 45 degrees (I think!)

olga nikolaevna [1]3 years ago
7 0
180° - 35° - 80° = 65° (sum of ∠s in a ∆)
65° - 20° = 45°
y = 45° (alt. ∠s)
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Probability refers to the chances of occurrence of any event.

An event is described as an outcome of a random experiment.

A random experiment is an experiment for which outcomes cannot be predicted.

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Step-by-step explanation:

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