The absolute height of the hill is 75 m. There is a lake at the foot of the hill. The surface of the lake is 53 m below ocean level.

The absolute height of the hill is 75 m. There is a lake at the foot of the hill. The surface of the lake is 53 m below ocean level. Determine how many meters from the lake level the top of the hill rises.

h = h1 + h2 = 75 m – (- 53 m) = 128 m
Answer: The top of the hill rises above the lake level by 128 m.

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