3 years ago

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

Mathematics

1 answer:

Sedaia [141]3 years ago

7 0

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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