Question

two parallel side of an isoscles trapazium are 6cm and 14cm respectively. If the length of eah non-parallel side is 5cm find area of trapazium

Answer 1

Ar of rhombus =1/2*6+14*5
=1/2*20*5
=150cm

Answer 2

First find height.

Height = 5²-4²= 3² .

Here, The trapezium forms a right angled triangle at the edge .It follows a Pythagoras theorem .

Now. Area of trapezium = 1/2( Sum of parallel sides )( Height)

= 1/2(14+6)(3)

=1/2(20)(3)

= 30cm²