Triangle ABC maps to triangle XYZ by a rotation of 90∘ counterclockwise about the origin followed by a reflection across the lin
e y=x. In triangle ABC, m∠A=45∘, m∠B=55∘, and m∠C=80∘.
What is the measure of ∠Y?
Enter your answer as the correct value, like this: 42
2 answers:
Answer:123
Step-by-step explanation:
Add
Answer:
55
Step-by-step explanation:
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Answer:
i think its C: none of the answers are correct
Answer:
12, im pretty sure
Step-by-step explanation:
Volume is 480 cm
surface area is 376
8+6+1 =15
-a
-2b-3b =-5b
-3c
15-a-5b-3c is the answer