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GaryK [48]
4 years ago
13

If angle CFD = 12a + 45, find a so that FC is perpendicular to fd

Mathematics
1 answer:
LiRa [457]4 years ago
3 0
12a+45=90 
<span>-45=90 </span>
<span>12a=45 </span>
<span>12 12 </span>
<span>Answer: 
a=45\12</span>
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