Aflati aria unui patrat cu latura de a) 9 cm b) 3 Intreg si 1 doime cm Va rog ajutor am nevoie urget!!!

(a) The area of a square with side 9 cm is 81 cm².

(b) The area of a square with side 3.5 cm is 12.25 cm².

Step-by-step explanation:

The question is:

Find the area of a square with the side of a) 9 cm b) 3 Whole and 1 half cm Please help I need it urgently !!!

Solution:

The area of a square is given by:

Here,

a = length of the side

(a)

The side of a square is, a = 9 cm.

Compute the area of this square as follows:

Thus, the area of a square with side 9 cm is 81 cm².

(b)

The side of a square is, a = 3.5 cm.

Compute the area of this square as follows:

Thus, the area of a square with side 3.5 cm is 12.25 cm².

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step-by-step explanation:

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