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GalinKa [24]
3 years ago
6

What's length a and length b?

Mathematics
2 answers:
NemiM [27]3 years ago
6 0
The answer is 30 hope it helps 
Phoenix [80]3 years ago
5 0
Hello :
sin(60) =b/12.......b= 12sin(60) =12×(√3/2)= 6<span>√3
cos(60) =a/12 ........a=12cos(60) =12×(1/2) =6</span>
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