Someone tell me working out please?
1 answer:
So you need to know that
1. 360 degrees=1 full rotation
2. internal angle of a pentagon
3. internal angle of a square
so we know that
internal pentagon angle+internal pentagon angle+internal angle of square+x=360
internal angle of pentagon=54
internal angle of square=90
so now we have
54+54+90+x=360
198+x=360
subtract 198 from boths ides
x=162
answer is x=162 degrees
1. 360 degrees=1 full rotation
2. internal angle of a pentagon
3. internal angle of a square
so we know that
internal pentagon angle+internal pentagon angle+internal angle of square+x=360
internal angle of pentagon=54
internal angle of square=90
so now we have
54+54+90+x=360
198+x=360
subtract 198 from boths ides
x=162
answer is x=162 degrees
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<h2>Hello!</h2>
The answer is:
1017.88 square feet are blue.
<h2>Why?</h2>To calculate how many square feet are blue, we need to calculate the area of the bottom of the circular swimming pool.
We need to remember that we can calculate the area of any circle using the following formula:
Now, we know that the diameter of the bottom is equal to 36 feet, so, we can calculate the radius of the bottom using the following formula:
So,
Then, calculating the area we have:
Hence, we have that 1017.88 square feet are blue.
Have a nice day!