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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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.
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?