cindy974
Answered

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2π(a-r)(a+r)+4 = 52π
Can someone solve this pleaseeeee

Sagot :

Unknownbeinghere

Answer:

a²-r²= 22

Step-by-step explanation:

2π(a-r)(a+r)+4 = 52π

=> 2π(a²-r²)+4= 52π

=> (a²-r²)+4 = 52π/2π

=> (a²-r²)+4 = 26

=> (a²-r²)= 26-4

=> a²-r²= 22

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Answer:

=> a²-r²= 22

Step-by-step explanation:

2π(a-r)(a+r)+4 = 52

=> 2π(a²-r²)+4= 52π

=> (a²-r²)+4 = 52π/2π

=> (a²-r²)+4 = 26

=> (a²-r²)= 26-4

=> a²-r²= 22

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