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ΔABC has undergone a 90° counter-clockwise rotation. m∠ABC = 85°, m∠BCA = 55° What is the measure of ∠B'C'A'? 55° 35° 85° 40°

ΔABC has undergone a 90° counter-clockwise rotation. m∠ABC = 85°, m∠BCA = 55° What is the measure of ∠B'C'A'? 55° 35° 85° 40°
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ΔABC has undergone a 90° counter-clockwise rotation. m∠ABC = 85°, m∠BCA = 55° What is the measure of ∠B'C'A'? 55° 35° 85° 40°

User Dom Weldon
by
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2 Answers

4 votes

Answer:

The answer is 85 I took test

Explanation:

User SmallGrammer
by
7.7k points
0 votes
55 since in every transformation, angle measure is preserved.  
User Jlyh
by
7.4k points
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