ellesisk ellesisk

22-06-2021
Mathematics

contestada

Can someone please answer and explain this.

Can someone please answer and explain this class=

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Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

22-06-2021

Answer:

x =74

Step-by-step explanation:

540 degrees is the sum of all the angles

90 +90 + 2x+10 + x + 2x-20 = 540

Combine like terms

5x+170=540

Subtract 170 from each side

5x = 370

Divide by 5

5x/5 = 370/5

x =74

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