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tatia65
22.09.2019 •
Mathematics
You are re-tiling the entry to your home and want to create a fancy circular medallion in the center. you want to create a large circle with a smaller circle centered inside. you want to tile the large circle with blue tile and the smaller circle with yellow tile. the circumference of the large circle is 113.097 inches and the radius of the smaller circle is 7 inches. how much blue tile do you need (in square inches)?
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Ответ:
Are needed
of blue tile
Step-by-step explanation:
we know that
To find how much blue tile do you need, subtract the area of the smaller circle from the area of the large circle
step 1
Find the radius of the large circle
The circumference of the circle is equal to
we have
substitute and solve for r
assume
step 2
Find the area of the large circle
we have
substitute
step 3
Find the area of the smaller circle
we have
substitute
step 4
Find the difference of the areas
assume
Ответ:
Clyde should have applied the power of a power rule and multiplied the exponents instead of adding them. The simplified form should be j to the 16th power.
Just took the test!