SOLUTION: Given: line segment RT is perpendicular to plane P; line segment RK is congruent to line segment RZ Prove: triangle KTZ is isosceles Please help me!!

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Question 244310: Given: line segment RT is perpendicular to plane P; line segment RK is congruent to line segment RZ
Prove: triangle KTZ is isosceles Please help me!!
Answer by geometryguy(2) About Me  (Show Source):
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After Given;
Seg RT is cong to seg RT (Identity)
Angles RTK and RTZ are right angles (Perpendicular lines meet to form right angles)
Triangle RTK is congruent to triangle RTZ (Hyp Leg)
Segment KT is cong to seg ZT (CPCTC)
Triangle KTZ is isosceles (Def Isosc)