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26)

Three identical isosceles triangles are joined to make this trapezium. Each triangle has base

*b*cm and perpendicular height

*h*cm

Work out an expression, in terms of

Give your answer in its simplest form.

*b*and*h*, for the area of the trapezium.Give your answer in its simplest form.

**[2 marks]**

b) This diagram shows the same trapezium.

*b*:

*s*= 2 : 3

Work out an expression, in terms of

*b*, for the perimeter of the trapezium.

**[2 marks]**