Respuesta :
☁️My Answer☁️:
Hi, my day is going good! What about you?
✧Explanation✧:
The square root of 81 in mathematical form is written with the radical sign like this √81. We call this the square root of 81 in radical form. The square root of 81 is a quantity (q) that when multiplied by itself will equal 81. √ 81 = q × q = q 2.