THEMAN31 THEMAN31

22-01-2018
Mathematics

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Find measure of angle Y.

Find measure of angle Y class=

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Аноним Аноним

22-01-2018

Sum of inside angles of a polygon= 180º(n-2)
n=number of sides.
This polygon has 6 sides, the sum of all its angles would be=180º(6-2)=720
let´s:
xº=inside angle
xº=720º-sum of the others inside angles.
xº=720º-(75º+130º+120º+105º+145º)=720º-575º=145º

yº=180º-xº=180º-145º=35º

Answer: yº=35º

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