Not too sure of the question but 2.25 cm is equivalent to 22.5 mm
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2.54 cm = 1 in (exactly) 12 in = 1 ft ⇒ 225 cm = 225 ÷ 2.54 in ≈ 88.6 in = 88.6 ÷ 12 ft = 7ft 4.6 in ≈ 7 ft 41/2 in (to the nearest half inch)
To find the length of the diagonal of a rectangle, you can use the Pythagorean theorem. For a rectangle with lengths of 10 cm and 15 cm, the diagonal (d) can be calculated as (d = \sqrt{10^2 + 15^2}). This simplifies to (d = \sqrt{100 + 225} = \sqrt{325}), which is approximately 18.03 cm. Thus, the length of the diagonal is about 18.03 centimeters.
Area = 15*15 = 225 sq cm
1 m = 100 cm ⇒ 2.25 m = 2.25 x 100 cm = 225 cm
15cm