Find the image of O(–2, –1) after two reflections, first across the line y = –5, and then across the line x = 1.
2 answers:
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Find the last angle:
180-(30+90)
180-(120)
60
Evaluate using sine rule:
=
c=
=
=20
The length of line segment AB is 20 feet (answer choice C)
180-(30+90)
180-(120)
60
Evaluate using sine rule:
c=
=
=20
The length of line segment AB is 20 feet (answer choice C)