How Do I find the Area of a trapezoid with out one of the base lengths??

I have both leg lengths 13 cm and I have the smaller base length which is 8 cm. Lastly the Height is 12 cm.

So how do I find the area?

I posted a picture below..

Question

How Do I find the Area of a trapezoid with out one of the base lengths?? 

I have both leg lengths 13 cm and I have the smaller base length which is 8 cm. Lastly the Height is 12 cm.

So how do I find the area?


I posted a picture below..

theqube1 · Answer

attachment

theqube1 · Answer

@ganeshie8 Can I get some help here?

amistre64 · Answer

we know the pythag thrm ...

theqube1 · Answer

@amistre64 Huh?

amistre64 · Answer

https://www.google.com/search?q=pythag+thrm&oq=pythag+thrm&aqs=chrome..69i57.2257j0j7&sourceid=chrome&es_sm=122&ie=UTF-8

amistre64 · Answer

if you dont know the pythag thrm yet, memorize it ..

theqube1 · Answer

@amistre64 gee thanks.... <_<

anonymous · Answer

@TheQube1  You need to break this up into 3 shapes. Two triangles of the same size and one rectangle.
|dw:1433269818433:dw|