The deepest point of lake titicaca in south america is -922feet relative to its surface. the deepest point is 11,542 feet above sea level. what is the elevation of the surface of the lake

There are two observations drawn from the given question,

All the distances above the sea level are positive and below the sea level are negative.

Since, deepest level of the lake is above the sea level and surface is above the deepest point.

Therefore, surface will also be above the sea level.

Elevation of the surface of the lake = Distance between the sea level and the deepest point of the lake + Distance between the surface and the deepest point of the lake

= 11542 + 922

= 12464 feet

Therefore, elevation of the surface of the lake is 12464 feet above the sea level.

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12464 feet

Explanation:

It is given that, the deepest point of lake Titicaca in south america is -922 feet relative to its surface. The deepest point is 11,542 feet above sea level. We need to find the elevation of the surface of the lake. Let it is equal to x.

x = height relative to its surface + height above sea level.

x = 922 feet + 11542 feet

x = 12464 feet

So, the elevation of the surface of the lake is 12464 feet. Hence, this is the required solution.