The average surface area of an adult human hand is about 17 to 19 square inches. This area can vary depending on factors such as hand size and age.
Approximate chest compression depth for CPR: Adult - 1 1/2 to 2 inches Child - 1 to 1 1/2 inches Infant - 1/2 to 1 inches.
The adult Cheetah wieghs from 77-160 pounds and its total head-body length is 43-59 inches.
The average surface area of an adult human body is around 1.7 to 2.0 square meters, which is approximately 2,000 to 2,200 square inches. This calculation is based on the assumption that an average adult body is roughly 5.5 to 6.0 feet tall and 1.5 to 2.0 feet wide. However, it's important to note that individual variations in body size and shape can lead to slight differences in this estimation.
A square with sides 7.308 inches (approx) - slightly smaller than the span of an adult hand. But, 53.4 sq inches could be in the form of a rectangle 10 inches x 5.34 inches or 100 inches long and 0.534 inches wide or even several light years long and very very narrow.
the basis of my answer is by using the formula Height x Width for example you are 5 feet tall then you multiply it by your width which is somewhat 3 feet 5*3=15 for an adult person it is APPROX. 20 SQUARE FEET.
Most adults have different sizes of arms therefor you wil have to be more specific
200 cm
Around 55-60% of the mass of an adult human being is water.
I wouldn't recommend putting more than one or two. 28 liters is not that big. Goldfish are very dirty fish and need a large tank and a good filter. Te smallest tank I would put goldfish in is 40 liters (10 Gallons). Even that is pushing it.
It is an assessment measure of burns of skin.
12 inches