Justin is redoing his bathroom floor with tiles measuring 6in. by 14 in. The floor has an are of 8,500 in. What is the least num
1 answer:
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Answer:
The length of sides of one square is 5cm and length of sides of another square is 9cm
Step-by-step explanation:
Let the length of rectangle be x and width of rectangle be y.
We have given,
Area of rectangle = 45 cm²
i.e. Area of rectangle = x·y = 45 or xy = 45 ---------(1)
Next, two squares are constructed from two adjacent sides of rectangle.
i.e Side length of one square will be x and side length of another square will be y.
Area of one square = x²
And area of another square = y²
According to problem,
Sum of area of two squares is 106 cm²
∴ x²+y² = 106 ---------------(2)
From equation (1) and (2) , we can find x and y.
xy = 45 or x = , Plug this in equation (2).
We get,
x² + y² = 106
or
or
or
On solving this equation we get ,
y²=81 or 25
or y = 9 or 5
for y =9 , x=
or for y = 5 , x =
Hence the length of sides of one square is 5cm and length of sides of another square is 9cm
The circumference is the diameter times pi.
![d=60 \ [cm] \\ \\ C=60\pi \approx 60 \times 3.14=188.4 \approx 188 \ [cm]](https://tex.z-dn.net/?f=d%3D60%20%5C%20%5Bcm%5D%20%5C%5C%20%5C%5C%0AC%3D60%5Cpi%20%5Capprox%2060%20%5Ctimes%203.14%3D188.4%20%5Capprox%20188%20%5C%20%5Bcm%5D)
The answer is D.
The answer is D.
Let's solve ~
By using distance formula :