The time, T
(seconds), it takes for a pot of water to boil is proportional to the amount,
A
(litres), of water.
It takes 190 seconds to boil 2.1 litres of water.
Work out how long it takes (to the nearest second) to boil 2.5 litres.

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units