Answer:
<em>√(a² + b²)</em><em> </em><em>is </em><em>the </em><em>answer</em><em> </em><em>as</em>
Step-by-step explanation:
both ABC AND DEF are right triangles...
So Pythagoras theorem will work here
Answer: the first one
D
1 1/4
X=3 and X=-7 . Hope this helps:)
