In the diagram below, is circumscribed about quadrilateral ABCD . What is the value of ?

Mathematics

1 answer:

Olin [163]3 years ago

5 0

Answer:

Step-by-step explanation:

There's a property of cyclis quadrilaterals that say that opposite sides will add up to 180

so we have

$5x+75=180\\\\5x=180-75\\\\5x=105\\\\x=21$

which is option c

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