What is `51^2` ? We have sẹen how we can find this withoutąctual multiplication, in class 7 (The section, Next square of the lesson, Square: and Square Root).

Find the square roots of the following 7-24i

We have seen how we can draw a series of right triangles as in the picture. What are the lengths of the sides of the tenth triangle? .

Find the square root of the complex number -7-24i .

How do we find the square root of 1225 ?

We have seen In Class 8 that any odd number can be written as the difference of two perfect squares. Using this, draw squares of areas 7 and 11 square cențimetres.