Okay so the surface area was found by this formula 4pir^2 with that the surface area is 211

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Yo!

Okay so the surface area was found by this formula 4pir^2 with that the surface area is 211

**Estimate how much water is behind the barrier**

To answer this question we first must find the volume of the Lake. When I looked for the dimensions I found that the surface area is 9.94km^{2} and the average depth is 199m^{2}. We have to make everything the same unit (Liters).

9.94km/1m x 1000m/9.94km = 9940m

9940m/1L x 1000L/1m = 9940 000 L

9940 000 L x 119 m = 1 182 860 000 L

The volume is 1,182,860,000 L, 1 L of water = 1 Kg of water = 1 m^{3}

The lake is 15.7 m deeper than the barrier. So __1 182 860 000 Kg__ = 75 341 401.27 Kg is about how much water is behind/against the barrier, and nothing bellow.

The measurement I have done is not fact due to the depth being inconsistent and not a 119m^{2} all over so its not the exact measurement.

**If the barrier faulted, what do you think would happen? Consider how much water would escape, and what kind of power is the escaping water equivalent to?**

Well, have you ever been at a beach and the waves were a bit stronger than normal and its knocks you over when you’re standing up? Yeah times that by like a million. It would leave a path of destruction! so like a tsunami.

**Link**

https://en.wikipedia.org/wiki/Garibaldi_Lake