Answer:
22.2%
Step-by-step explanation:
It is 22.2% of 100 %.We first know that there are 2 white marbles.Ad a zero and that's what you get.
B.
100÷9=11.1
11.1×2=22.2
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Proved!
Since TS is a tangent to the circle, ∠TSO = 90°.
Hence, ∠OSR = 90° - x.
Since OS and OR are radius, OS = OR.
So, ∠ORS = ∠OSR = 90° - x.
Thus, ∠ROS = 180° - ∠OSR - ∠ORS = 180° - 2 * (90° - x) = 180° - 180° + 2x = 2x.
So, it is proved.
ok and..
