Respuesta :

aniyaziegler4

Answer:

1.36

2.-60

3.30

hope this helps
For first if

A=2 then 6x2(3) = 36

For second if

R=(-3) then if d is the diameter then the answer will be 50

For third if

R=(-3) then 30 will be the answer please mark me as brainliest

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