Time remaining:
geometry/side-splitting theorem

label Algebra
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Apr 22nd, 2015

1.

a) Because RI || AN , angle R and angle TAN are congruent corresponding angles.

Also because both triangles contain angle S, the triangles are similar by AA (angle-angle).

So triangle TAN ~ triangle TRI

b) to find NI, we will use Side-Splitting Theorem

x/12 = 2/8

x = 12*2 / 8 = 12/4 = 3cm


Let me know if you have any questions.

Apr 22nd, 2015

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Apr 22nd, 2015
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Apr 22nd, 2015
Jun 27th, 2017
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