Question

the parallel side of a trapezium are 12 cm and36cm. its non-parallel side are equal, each being 15cm. find the area of trapezium.

Answer 1

Area of trapezium =
$1 \div 2 \times sum \: of \: non \: parallel \: sides \: \times \: height$
$1 \div 2 \: \times 48 \times 15 = 360$