Examples with solutions for Area of a Rhombus: Extended distributive law

Exercise #1

Look at the figure below.

The area of the rhombus is 168 cm².

Calculate a.

S=168S=168S=168121212a+4a+4a+4

Video Solution

Answer

10 cm

Exercise #2

A rhombus is shown in the figure below.

Its area is equal to 6 cm².

The length of the main diagonal is 4 cm.

Find X.

S=6S=6S=64442X+12X+12X+12X+12X+12X+1

Video Solution

Answer

14 \frac{1}{4} cm

Exercise #3

Look at the rhombus in the figure.

Its area is 240 cm².

Calculate a.

S=240S=240S=240101010101010a+4a+4a+4a+4a+4a+4

Video Solution

Answer

8 cm