Question

one Pentagons angles measurements is x°,(x-10)°,(2x-40)°,(2x-90)° , so answer the x=??

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Answer 1

Step-by-step explanation:

one Pentagons angles measurements is x°,(x-10)°,(2x-40)°,(2x-90)° , so answer the x=??

we know that sum of all angle of a pentagon is 540°

it implies that,

x+x-10+2x-50+2x-90=540°

6x=540+150

6x=690

x=115°

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