First, find the altitude of the trapezium by applying the Pythagoras theorem. Find the area of the trapezium and then double it.

Diagonals of a rhombus bisect each other at right angles, apply the phythagoras theorem to find the perimeter.

Diagonals of a rhombus bisect each other at right angles, apply pythagoras theorem and find the area of rhombus.

Find the area of each triangle.

First, find the area of hexagon by distributing it into trapeziums and then take away the area of all the circles.

First find the altitude of the triangle and then find the area of polygon.

Diagonals of a rhombus bisect each other at right angles, apply the phythagoras theorem to find the perimeter.