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**Question**

9)

The circumference of circle

a) Find the ratio of the area of circle

The circumference of circle

**B**is 90% of the circumference of circle**A**.a) Find the ratio of the area of circle

**A**to the area of circle**B**.**[2 marks]**

Square

**E**has sides of length

*e*cm.

Square

**F**has sides of length

*f*cm.

The area of square

**E**is 44% greater than the area of square

**F**.

b) Work out the ratio

*e*:

*f*

**[2 marks]**