AD contains BC and AD=40. A point on AD is chosen at random. The probability that the point is also on BC is 0.2. What is BC?
1 answer:
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The line needs to be 8.06 m long
Explanation
Given that the ladder is 7 feet tall and the bottom of the slide should be 4 m away from the ladder.
The ladder,slide and the ground connecting them makes the sides of a right angled triangle with ladder as the height and ground as the base.
base=4m
height=7m
hypotenuse can be determined using pythagoras law