Is the dilation an expansion or a contraction

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Reference no: EM131066777

Answer the questions below. When you are finished, submit this test to your teacher by the due date for full credit.

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1. ForDTRI, the following facts are given:

Segment AN || Segment RI

AN = 6 cm

RI = 8 cm

TA = 3.3 cm

NI= 1.6 cm

Use any or all of these facts to answer the following:

a) In two-column format prove thatDTAN~ DTRI.

b) AssumeDTAN is the image ofDTRI under a dilation. Is the dilation an expansion or a contraction? What is the scale factor?

c) Calculate AR.Show your work.

d) Use the Side-Splitting Theorem to find TN.

e) What is the ratio of the area ofDTRItoDTAN?

Reference no: EM131066777

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