Area of a Rhombus: Using ratios for calculation

A rhombus has an area of 70 cm².

Work out the ratio between the main diagonal and the secondary diagonal.

28:5

Given the rhombus in the figure

Given that the ratio of the height side to the same height side is

is $9:4\frac{1}{2}$

Find the area of the rhombus

162 cm².

Given the rhombus in the figure

Given the ratio between the side of the external height and the side is 7:3

Calculate the area of the rhombus

$51\frac{6}{7}$ cm².

Look at the rhombus in the figure.

Find the area of the rhombus given that the ratio between the main diagonal and the secondary diagonal is 9:2.

$36$ cm².

Given the parallelogram AEFD and the rhombus EBCF

EC=4 BF=5

Given the ratio of the area of the parallelogram AEFD to the area of the rhombus is 7:2

Find the area of the parallelogram ABCD (the parallelogram composed of the two shapes).

$45$ cm².