Answer:
Step-by-step explanation:
Given
Reflection across y-axis
Required
Find C'
For reflection across y-axis, the rule is:
So, the image of C is:
Hence:
x = -4 ± 2√3
15.4
sin 17° = 4.5 /x
x = 4.5 / sin 17° = 4.5 /0.2924
= 15.4
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44.1
Pls brainiest
9*4.2=first rectangle area=37.8
3*4.2/2=small triangle=3*2.1=6.3
37.8+6.3=44.1