7 A metal pipe is 66 cm long. The inner diameter of a cross section is 3 cm, the outer diameter being
3.3 cm. Find its
(i) Inner curved surface area
(ii) Outer curved surface area
(iii) Total surface area

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*

ome people is not even worth it to even try it in the air.

step-by-step explanation:

idk

step-by-step explanation:

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6