Please help me in this small question.

y = 80

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 = 5 , thus

sum = 180° × 3 = 540°

Sum the internal angles and equate to 540

110 + y + 2y + y + 110 = 540 , that is

4y + 220 = 540 ( subtract 220 from both sides )

4y = 320 ( divide both sides by 4 )

y = 80

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step-by-step explanation:

answer: 5100 just subtract

step-by-step explanation: