1.

Ashton plans to put a fence around his circular garden.

When Ashton walks from one side of the garden to the other, through the middle, it is 7.5 metres.

Fencing is sold in 1m pieces and costs $8.99 per meter. Find the circumference of the garden.

How much will it cost for Ashton's new fence?

2.

Carnival Cruises are building a new cruise ship.

There will be 1000 round windows in the ship, each one with a radius of 35cm.

Each window will have a metal strip around it.

Calculate how many meters of metal will be needed.