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What is the value of x in trapezoid

What Is The Value Of X In Trapezoid class=

Sagot :

Answer:

Answer: x=15

This is my answer

isosceles trapezoid, the two angles on the legs are the same size, so the other two angles are also equal.

the sum of all the angles is 360°

3x+3x+9x+9x = 360°

24x = 360°

x = 15