Area of a right angled triangle missing height.

SaltyPoro

New member
Joined
Nov 6, 2017
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15
I'm not sure how to solve this question. Am I meant to use Pythagorus' Theorum?
Screenshot_29.jpg
Both triangles are right angled isosceles with the values of the legs given.
 
Do you realize that two equal sides with a 90° angle between them could be parts of a square?
 
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