How to work out the area of this pentagon

Hi
Idk how to work out the area of this pentagon as when I split it into a triangle and rectangle I can’t find the height of the triangle?

Thanks x

This is the question :smile:

Original post by Cherrygrape1234

This is the question :smile:

That triangle could be thought of as 2 similar right angle triangles with hyp=5 and adj=4 mirrored back to back...

That triangle could be thought of as 2 similar right angle triangles with hyp=5 and adj=4 mirrored back to back...

Ohhh that makes sense thank you!!

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