human
Given the area of a trapezium, calculate a missing dimension The area of this trapezium is \( 45 \mathrm{~cm}^{2} \). What would the perpendicular height, \( h \), of the trapezium be? ![A trapezium with the parallel sides a and b labelled as 10cm and 5cm and the perpendicular height labelled with h]() \( h=4.5 \mathrm{~cm} \)
gpt
Uses only the base and perpendicular height when calculating the area of a trapezium