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Find the value of x using algebra

Find the value of x using algebra-example-1
User Djalas
by
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2 Answers

3 votes

Answer:

x = 75

Explanation:

the sum of the interior angles of a quadrilateral is 360°

80 + 65 + 110 + x + 30 = 360

to find x..

80 + 65 + 110 + x + 30 = 360

x = 360 - 80 - 65 - 110 - 30

x = 75

that's mean 80° + 65° + 110° + (75 + 30)° = 360°

User Nocash
by
4.3k points
5 votes

Answer:x=140

Explanation:

110 is the same angle as 30 so add them and you get 140

i hope that helped

User Ricardo Vargas
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4.7k points