Four angles of a pentagon are 100 degree , 175 degree ,85 degree and 75 degree find the fifth angle
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Answer:
No chance of getting the fifth angle positive as the angle sum property of pentagon is 360 degree so the sum of 4 angles must be less than 360 so that the 5th angle could also be added to them.
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The sum of angle of a pentagon is 540˚
So, let the fifth angle be x
Now we have 100˚+175˚+85˚+75˚+x=540˚
435˚+x=540˚
x=540˚-435˚
x=105˚
The fifth angle is 105˚ Ans.
So, let the fifth angle be x
Now we have 100˚+175˚+85˚+75˚+x=540˚
435˚+x=540˚
x=540˚-435˚
x=105˚
The fifth angle is 105˚ Ans.
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