2 Math Questions! (Can you help)?

Can you help me with these 2 math questions?

http://img291.imageshack.us/img291/22/pic6j.png

http://img861.imageshack.us/img861/7967/pic7.png

Thanks for the help!

1 Answer

Relevance
  • 9 years ago
    Favorite Answer

    1)

    <MLJ=<JLK (since it is bisected by JL)

    <MJL=<LJK (see above)

    JL is a common side

    So by ASA ,the 2 triangles are congruent.

    2)

    cos45 = 12 / x

    x= 12 / cos45

    =12/(1/rt.2)

    =12 rt.2

    =16.99 approx

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