The area of the base is Pi in.2 The circumference of the base is Pi in. The area of the lateral surface is Pi in.2 The surface area is Pi in.2

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9

i don't have the answer rn but go to math papa. it shows the steps and the answer. hope this : )

step-by-step explanation:

it would be 6xy and -16xy.

pi x^2

step-by-step explanation:

pi times x squared