Answer:
m = 10
Step-by-step explanation:
fjfnbwdhw she djb2dh2bdub2jdb3udje <<< just for filler
Answer:
789
.5 is a 5 or larger so the 8 goes to a 9
Step-by-step explanation:
Answer:
m∠BCD = 120°
Step-by-step explanation:
Since the interior angles of a quadrilateral add up to 360°, then we get:
2x+x+2x+x=360°
6x=360°
<em>Divide both sides by 6</em>
x=60°
Since ∠BCD's value is 2x and x is equal to 60°, then ∠BCD is 120°.