kalynjohnson917 kalynjohnson917

10-04-2020
Mathematics

contestada

Find x if QRSTU is a regular pentagon.
(8x + 12)

Respuesta :

TheAakash TheAakash

10-04-2020

Answer:

x = 66°

Step-by-step explanation:

Sum of the angles of a pentagon is 540°. So, set the expression equal to that and solve for x:

[tex]8x + 12 = 540[/tex]

[tex]x = \frac{540-12}{8} = 66[/tex]

Thus, x = 66°.

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