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simplify square root of five times the quantity six minus four square root of three.

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thirty square root of three
six square root of five minus four square root of fifteen
square root of thirty minus twenty square root of three

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.