In a Pentagon two angles are 40degree and 60 degree and rest are in the ratio 1:3:7 find the biggest angle of the Pentagon
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Answered by
0
Answer:
The biggest angle of Pentagon is 280°
Answered by
1
Answer:
Total interior angle of a pentagon 540°
1:3:7=Let us conider the angles as 1x , 3x , 7x
Given:
40+60+1x+3x+7x=540
11x+100=540
11x=440
x=40
Therefore,
1x=1*40=40°
3x=3*40=120°
7x=7*40=280°
So the largest angle is 280°.
please mark my ans. as brainliest......
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