Question

Using SQRT(2)=1.414 and SQRT(3)=1.732 approximate SQRT(75)-SQRT(48)

Answer 1

√2 ≈ 1.414    and √3 ≈ 1.732

√75 = √(25x 3) = 5√3   OR  5x1.414 = 7.07
√48 = √(16x 3) = 4√3   OR  4x1.732 = 6.92

So √75 - √48 = 7.07 - 6.92 ≈ 0.15