The diagonal is the hypotenuse of a right triangle with the sides of the square as legs.
By Pythagoras (s = side)
s^2 + s^2 = 15^2
2s^2 = 225
s^2 = 112.5
s = sqrt(112.5)
s = 10.6 cm (to the nearest tenth)
You have a 50% of drawing an odd number on both times because
1,3,5,7,9 are odd numbers
and
2,4,6,8,10 and even numbers
Answer:
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Step-by-step explanation:
