hannahm8333 hannahm8333
  • 26-03-2020
  • Mathematics
contestada

ABCD is a quadrilateral
Calculate the value of x
A=2x
B=90
C=x
D=3x

Respuesta :

shejladautovic
shejladautovic shejladautovic
  • 26-03-2020

Answer:

X=45

Step-by-step explanation:

Sum of all angles is 360, so we have

2x+90+x+3x=6x+90=360

6x=270

X=45

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