1. In the figure two semicircles are drawn at the centre of the large semicircle as shown in the figure . A fine dot is placed into the figure without looking
into it.
a) If the radius of the smaller semicircle is taken as 'r', What will be the
radius of the larger semicircle ?
b) What is the probability of being the dot inside the shaded semicircles ?
c) What is the probability of being the dot outside the shaded semicircles ?
2.A point was marked in the picture below, without looking assuming the radius of the circle is I unit
What is the probability that it is
a. with in the square.
b. outside the square
I need answers with explanation plz fast