find the area of square whose length 15 in metre square and centimetre square
Answers
Explanation:
square is a regular polygon with four sides. It has four right angles and parallel sides. To calculate the area of a square, multiply the base by itself, which can be expressed as side × side. If a square has a base of length 8 inches its area will be 8 × 8= 64 square inches
Area of a square is given by:
A = a2
where a = length of side
Perimeter of a square = 4a
Diagonal of a square = (a)(sqrt(2)) or 1.414 (a)
Example 1: Find the area of a square of side length 15 m
Solution:
Area of a square = a2 = 152 = 225 m2
Example 2: Calculate the area of square, where the square has 35cm side’s length.
Solution:
Area of square is defined by a × a.
Area = 35 × 35
Area = 1225cm
Example 3: What is the area of a square field, if its perimeter is 32 yd?
Solution:
The perimeter of the square field = 32 yd and since the perimeter of a square is given by P = 4s, where s is the length of the side. We can easily determine the length by isolating s from the formula above:
s = P/4 = 32 / 4 = 8 yd
The area of the square field = s × s
Substitute the value of s, we have:
Area = 8 × 8 = 64 yd2
The area of the square field is therefore 64 yd2.
Example 4: The side of a square park is 200 m. What will be the cost of grassing it @ $0.5 per sq m?
Explanation:
15 m² = 150000 cm²
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