Question

Let the area of a square is 9 cm. What would be the new area, if its side i reduced by 1 cm

Answer 1

Answer:

given that ,

area or square =9cm

(side)१= 9

then side is equal to 3 cm

a.t.q

side reduced 1 cm then new side 2cm

so new area 4 cm

Answer 2

Finding new area:

Step-by-step explanation:

$\ Given \ value:\\\\\ Area \ of \ square = 9 \ cm^2\\\\\ if \ side \ reduced \ by \ 1\\\\\ Find:\\\\\ new \ area \ (i) \\\\\ Solution:\\\\\ formula:\\\\\ Area \ of \ Square = sides(i) \times \ sides (i) \\\\\ 9 =i^2\\\\\rightarrow 3^2=i^2\\\\\rightarrow i= 3\\\\ \ side \ reduced \ by \ 3 - \ 1 = 2 \\\\\ new \ area = sides(i) \times \ sides (i)\\\\\ new \ area = 2 \times 2\\\\\ new \ area = 4$

Learn more:

• Area of Square: https://brainly.in/question/1666890