trishhh79 trishhh79

10-12-2019
Mathematics

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What’s the value of x ?

Whats the value of x class=

Respuesta :

jimrgrant1 jimrgrant1

10-12-2019

Answer:

x = 127

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 6, thus

sum = 180° × 4 = 720°

Sum the interior angles and equate to 720

x + 120 + 100 + 128 + 133 + 112 = 720, that is

x + 593 = 720 ( subtract 593 from both sides )

x = 127

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