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BlackZzzverrR [31]
2 years ago
6

Im losing my sanity over this question please can someone help me lol

Mathematics
2 answers:
algol132 years ago
4 0

There are 5 sides in this shape.

(5-2)(180) = 540. There is 540 degrees in this shape.

111 + c + (c + 10) + 120 + 91 = 540

111 + 2c + 10 + 120 + 91 = 540

2c = 208

c = 104

answer: 104

Sati [7]2 years ago
3 0

Answer:

c = 104°

Step-by-step explanation:

This shape is a pentagon since it has 5 sides. The angle inside the pentagon add up to 540°. Thus, create an equation to find the unknown value of c.

111° + c + 120° + 91° + c + 10° = 540

<em>Add the numbers</em>

332° + c + c = 540°

<em>Combine like terms</em>

332° + 2c = 540°

<em>Rearrange and subtract 332 from both sides.</em>

2c = 208°

<em>Divide 2 by both sides</em>

c = 104°

Check:

104 + 120 + 91 + 104 + 10 + 111 = 540°

hope this helps and is right!! p.s. i really need brainliest :)

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