Open Question: Areas of Shapes? Maths homework please help?

A square with a perimeter of 16cm calculate the area

Each shape had a area of 40 cm
calculate the height of the parallelogram if the base is 4cm
Calulate the length if the base of the triangle if the height is 4cm
what might be the values of h,a,and b in the trapezium

Smallest to largest
the size length of this square a is 64 cm
the area of this square b is 64 cm2
the perimeter of this square c is 64 cm

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