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rodikova [14]
3 years ago
12

One circular table has a diameter of 8 ft, and another circular table has a diameter of 12 ft. How much greater is the area of t

he larger table? ​
Mathematics
2 answers:
mezya [45]3 years ago
8 0

Answer:

20π sq ft ≈ 62.83 sq ft

Step-by-step explanation:

Area of table with diameter 8 ft = π*8^2/4 = 16π

Area of table with diameter 12 ft = π*12^2/4 = 36π

Difference between the area of the tables ;

= 36π - 16π

= 20π sq ft ≈ 62.83 sq ft                              ( π = 3.14)

nalin [4]3 years ago
5 0

Answer:

62.83 ft^{2}

Step-by-step explanation:

First, you have to find the area of both using the area formula for a circle:

<em>A = </em>\pir^{2}

Radius is half of the diameter:

<em>A</em>_{1}<em> = </em>(3.1415926535...)( 4^{2} )         <em>A</em>_{2}<em> = </em>(3.14159265...)( 6^{2} )

A_{1} ≈ 50.265...                             A_{2} ≈ 113.097...

How much greater:

A_{2} - A_{1} ≈ 62.83185

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