Question

find the square of 198 with using diagonal method​

Answer 1

Given:

198

To find:

find the square of 198 using the diagonal method

Solution:

Refer to an attachment for the square of 198 using the diagonal method.

• The diagonal method is also known as the Lattice multiplication. It is also known as the Italian method, Chinese method, Diagonally, or Venetian squares.

• It is a method of multiplication that uses a lattice to multiply multi-digit numbers. It is a long multiplication method but it breaks the process into smaller steps.

• Place 198 above and right side of the square as shown in the attachment. (Digits in black)

• Then multiply each row's numbers according to their column numbers as shown in the attachment. (digits in brown)

• Finally, add the numbers diagonally. (Digits in blue). The final answer is 39204.