Question

4 A piece of wire is 30 cm long.

It is cut into two unequal pieces.
One piece is bent into a circle.
The other is bent into a square enclosing the circle, as
shown in the diagram.
Find the length of each piece of wire in cm to 3 s.f.

Answer 1

Explanation:

When an iron rod is cut into equal pieces of 30 cm each, a piece of 4 cm is left out. When cut into equal pieces of 29 cm, a piece of 13 cm is left out. The minimum length of rod is

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A 5 metre long piece of cloth is cut into three smaller pieces. How long is the longest of the three pieces? Given that:

I. One piece is 2.90 metre long.

II. One piece is 90 cm longer than another piece and the remaining piece is 20 cm long

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A piece of wire 12 m long is cut into two pieces, one piece is 4.29 m long. What is the length of the other piece?

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A rope 5 m 75 cm long is cut into two pieces. If one piece is 2.25 m long find out the length of the other piece.

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A piece of wire. 2

4

3

metres long, broke into two pieces. One piece is

8

5

metre long. How long is the other piece?