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marta [7]
1 year ago
6

Hi please help me on the q

Mathematics
1 answer:
rewona [7]1 year ago
5 0

Answer:

x = 30°

Step-by-step explanation:

<u>The angles of a pentagon add up to 540°</u>

Make an equation adding up the angles to equal 540°

x + 4x + 4x + 135° + 135° = 540°

Simplify

9x = 270°

Divide

x = 30°

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