An isoceles triangle 10 feet across the top & 20 feet deep is partially submerged in water. Express the area of the submerged portion as a function of the deapth h.

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- Aug 20th 2008, 07:13 PMkatchat64Isosceles Triangle
An isoceles triangle 10 feet across the top & 20 feet deep is partially submerged in water. Express the area of the submerged portion as a function of the deapth h.

- Aug 20th 2008, 07:48 PMTKHunny
I presume the base of the triangle is the TOP in this case and the apex is stuck in the mud?

You should notice similar triangles:

1) The whole thing.

2) The submerged portion.

Corresponding parts of similar triangles are similar?