abelgum2005
abelgum2005 abelgum2005
  • 21-05-2021
  • Mathematics
contestada

Quadrilateral ABCD is given with ∡A=35°, ∡B=40°, ∡C=(5x+5)°, and ∡D=(5x)°. What is the value of x?

A. x = 6
B. x = 10
C. x = 28
D. x = 7

Respuesta :

clarch19
clarch19 clarch19
  • 24-05-2021

Answer:

C)  x = 28

Step-by-step explanation:

35 + 40 + 5x+5 + 5x = 360

10x + 80 = 360

10x = 280

x = 28

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