Check the picture below.
make sure your calcualtor is in Degree mode.
21r < 7
Divide by 21
r < 7/21
Answer:
160
Step-by-step explanation:
Angle ABE is a 180 as ABE forms a line
so angle ABC + ANGLE CBE = 180
x + 20 = 180
x = 180-20
= 160
I hope im right!!
Answer:
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Step-by-step explanation: sorry lol
