Question

An image of a rhombus is shown.

A rhombus with a base of 21 inches and a height of 19 inches.

What is the area of the rhombus?

160.5 in2
80 in2
399 in2
199.5 in2

Answer 1

There are three areas of rhombus.

Using Diagonals A = ½ × d1 × d2

Using Base and Height A = b × h

Using Trigonometry A = b2 × Sin(a)

Here, we have only the height and base, so formula 2 can be used.

A = b x h = 21 * 19 = 399 in²