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Three of the interior angle measures of a pentagon are 110°, 115°, and 145°. The remaining angles are congruent. Find the measure of one of the remaining angles.

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Answer:

265°

Step-by-step explanation:

First of congruent shapes are the same, meaning they angles are also the same.

⁘ 110° + 115° + 145° + 2x° = (5 x 180)°

Reason - Sum of angles in a polygon = [n-2] x 180; where n = no. of sides

⁘ 370° + 2x° = 900°

⁘ 2x° = 900° - 370°

⁘ 2x° = 530°

⁘ x° = [tex]\frac{530}{2}[/tex]

⁘ x° = 265°

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