#### Answer

m$\angle$RST=28$^{\circ}$

#### Work Step by Step

Given:
support system of a bridge which has
AC=6ft
m$\angle$ABC=28$^{\circ}$
m$\angle$RST=m$\angle$ABC=28$^{\circ}$ because they are corresponding angles of congruent triangles

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Published by
Brooks Cole

ISBN 10:
9781285195698

ISBN 13:
978-1-28519-569-8

m$\angle$RST=28$^{\circ}$

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