Answer:
plz help and this is fro khan academy if it helps!
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Step-by-step explanation:
plz help and this is fro khan academy if it helps!
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The answer to your question is k and m are both 9
so do all the question like this types
thankyou for your question
1) 
2) 
is a right angle (perpendicular lines form right angles)
3) 
is a right triangle (definition of a right triangle)
4) 
and 
are complementary (the acute angles of a right triangle are complementary)
