The floor of a truck is 24 cm above the ground. The ramp
attached to the back of the truck touches the ground at a point which is
10 cm away from the truck.What is the length of the ramp?
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Given:
- Height of the floor of truck above ground level =
- Distance between the truck and the point where the ramp attached to the back of truck touches the ground =
To find:
Length of the ramp attached to the back of truck.
Note:
An image is attached showing the figure which indicates the situation, along with the dimensions given.
Formula to be used:
- Form the figure, it can be understood that the situation can be explained as a right angled triangle.
- Pythagoras theorem, which gives the relation between the hypotenuse and the sides of a right angled triangle, can be used for the calculation of length of the ramp of the truck.
- From the figure (in image), Pythagoras theorem is given by:
- Let the length of hypotenuse be ''.
⇒.....(1)
Solution:
- The height of truck's floor is:
- The distance of the point where the ramp touches the ground, from the truck is:
- Now, using equation (1), the length of ramp () is calculated in the following way:
⇒The length of ramp of the truck is .
Final Answer:
The length of the ramp attached to the back of truck is .
Attachments:
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