Five angles of a hexagon have measures 100',110',120',130' and 140'. What is the measure of the sixth angle? (Pls consider(') as the degree in angles) Explain with method and formula to get Brainliest...
Chapter is Understanding Quadrilaterals.
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1
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The answer is 20° because: Total sum of interior angle: 720°. Each angle measures: 140°
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The angles are 100o, 110o, 120o, 130o and 140o
Let remaining angle = x.
In a hexagon number of sides n = 6
Sum of interior angles = (6 - 2)180o
= 720o
x + 100o + 110o + 120o + 130o + 140o = 720o
x + 600o = 720o
x = 720o - 600o
x = 120o
Measure of sixth angle is 120o .
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