Question

A plane starts its decent from 4567m and lands at an
elevation of 654m. It takes the plane 7.2km to reach the
ground. What is the gradient of the plane's landing?

Answer 1

Based on the information given, it should be noted that the gradient of the plane will be 31.92°.

How to calculate the gradient

From the information given, the distance between A and B will be:

= 4467m - 654m

= 3913m

It has been given that it takes the plane 7.2km to reach the ground. Therefore, the gradient of the plane's landing will be:

sin x = 3913/7200 = 0.54

Now we'll find the sine inverse of 0.54 and this will be 31.92°.

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