36cm squared
Answer:
If a square is nine INCHES on a side, its area will be measured in square inches. The formula for area is side times side, 9"X9"= 81 square inches.
If the square is made up of nine one inch squares, that would be 3"x3"= 9 square inches.
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Well, darling, the area of a square is calculated by multiplying the length of one side by itself. So, for a 9-inch square, you simply multiply 9 by 9 to get an area of 81 square inches. Easy peasy lemon squeezy!
The area of a 3-inch square is: 9 square inches.
9 x 13 = 117 square inches
The area of a circle is calculated using the formula A = πr^2, where r is the radius of the circle. For a 12-inch circle, the radius is half of the diameter, so the radius is 6 inches. Therefore, the area of the 12-inch circle is A = π(6)^2 = 36π square inches. Similarly, for a 9-inch circle, the radius is 4.5 inches, so the area of the 9-inch circle is A = π(4.5)^2 = 20.25π square inches.
You can't. Square inch is a measure of area and inch is a measure of length.
Surface area of a 3 inch square is 54 inches.