The answer is b I had this question on a quiz
Answer: Option C
, 
Step-by-step explanation:
If the lines m and n are parallel then the large triangle and the small triangle are similar triangles, because they have equal angles.
By definition for similar triangles it is satisfied that if they have sides of length a, b, c and a ', b' and c 'then:

In this case

So:




Therefore
if
and
then 
Finally
, 
Answer
3.6
Step-by-step explanation:
3/5 is equal to .6 so multiply 6x.6
Answer:
The answer is 6! Hope that helps and is right (it definitely should be)!
Step-by-step explanation:
If it's a right triangle, and is also an isosceles triangle, namely two sides are of equal length, that means the other non-right-angles are 45° each, so the triangle is a 45-45-90 triangle, and thus we can apply the 45-45-90 rule, so let's do so. Check the picture below.