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Solve for x. Enter your answer in the box. x = ° An irregular pentagon with five different measured angles and five unequal sides. The angles of the pentagon are x degrees, 121 degrees, 108 degrees, 102 degrees, and 100 degrees.

User Sajid Siddiqi
by
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1 Answer

13 votes
13 votes

Explanation:

sum of interior angles of a polygon with n sides =

(n−2) × 180°

for a pentagon that is 3×180 = 540°

therefore,

540 = x + 121 + 108 + 102 + 100 = x + 431

x = 109°