3 years ago

What's length a and length b?

2 answers:

NemiM [27]3 years ago

6 0

The answer is 30 hope it helps

5 0

Hello :
sin(60) =b/12.......b= 12sin(60) =12×(√3/2)= 6√3
cos(60) =a/12 ........a=12cos(60) =12×(1/2) =6

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