Fraction of black pens = 2/ (2 + 5) = 2/7 answer
Answer:
The numbers are 9, 7, 4, 11
I think it’s the one on the bottom left
Answer
Step-by-step explanation:
chord makes or arc make 120° at the center.
sum of other two angles of triangle=180-120=60
because they are equal.
so each angle=60/2=30°
tangent line makes angle 90° with radius .
so 30+y=90
y=90-30=60°
20 so -10 from 30 so the 18 is -10 right hope dis helped
