![SOLVED: The cross section Of a TROUGH has the shape of an inverted isosceles triangle. If the lens of the equal sides are 15 inches, find the size of the vertex angle SOLVED: The cross section Of a TROUGH has the shape of an inverted isosceles triangle. If the lens of the equal sides are 15 inches, find the size of the vertex angle](https://cdn.numerade.com/ask_previews/213b745e-243d-4410-a309-8467092df772_large.jpg)
SOLVED: The cross section Of a TROUGH has the shape of an inverted isosceles triangle. If the lens of the equal sides are 15 inches, find the size of the vertex angle
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Water forms drop owing to attendance of its surface to contract. The surface of water acts like a stretched membrane by virtue of an effect called Surface Tension. For a small quantity
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