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Algebra 16 Online
OpenStudy (anonymous):

how do u find the area of a rhombus?

OpenStudy (abb0t):

area = \(\sf \color{Red}{\frac{pq}{2}}\)

OpenStudy (anonymous):

First pick one side to be the base. Any one will do, they are all the same length. Then determine the altitude - the perpendicular distance from the chosen base to the opposite side. The area is the product of these two, or, as a formula: where b is the length of the base a is the altitude (height).

OpenStudy (anonymous):

formula : area=ba

OpenStudy (anonymous):

What are you given ?

OpenStudy (anonymous):

hey

OpenStudy (anonymous):

If you are given diagonals then area = half of the product of diagonal lengths.

OpenStudy (anonymous):

ABCD is a rhombus. = 5.5 cm and = 4 cm.

OpenStudy (anonymous):

What are 5.5 cm and 4 cm ??

OpenStudy (anonymous):

the product of 5.5 cm and 4 cm is the answer.

OpenStudy (anonymous):

I guess they are diagonals. So area = 5.5*4/2 cm^2

OpenStudy (anonymous):

it has to be one of these -11 cm2 -44 cm2 -22 cm2 -19 cm2

OpenStudy (anonymous):

Calculate 5.5*4/2

OpenStudy (anonymous):

calculate it and then choose the the option that is nearest to the actual answer.

OpenStudy (anonymous):

22 cm2 ?

OpenStudy (anonymous):

@M,aliha There should be factor of 1/2 in your answer.

OpenStudy (anonymous):

5.5*4/2 = 11 cm^2 should be the answer.

OpenStudy (anonymous):

yea you are right ShailKumar... but i just plunged in the values and then just choose the best..... but yea your method is right...

OpenStudy (anonymous):

thanks to yall :)

OpenStudy (anonymous):

no problem :)

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