Question

sides of trapezium are 20cm and 10cm its non parallel sides are both equal each being 13 cm find the area of trapezium​

Answer 1

$here \: is \: your \:answer... \\ area \: of \: trapezium \: = \frac{1}{2} \times sum \: of \: parallel \: sides \times the \: distance \: between \: the \: parallel \: sides \\ = \frac{1}{2} \times (20cm + 10cm) \times 13cm \\ = \frac{1}{2} \times (30cm) \times 13cm \\ 15cm \times 13cm \\ = 195 {cm}^{2 }$