quez Infig 10.26 AB-BC = CA = 2a and segment
AD 1 side Bl. Show that
i AB =
С.
AB= ar3
9 area of ARC = a² 13
note. AD =a3 > AD² -
3a²
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Grit chambers are long narrow tanks that are designed to slow down the flow so that solids such as sand, coffee grounds, and eggshells will settle out of the water. Grit causes excessive wear and tear on pumps and other plant equipment.
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