Step-by-step explanation:
the filled in circles are for anything less than or equal to or greater than or equal to.
Hello!
Here we have sin=opp/hyp so the sin of 45deg= 7/b so we have
Sqrt(2)/2 = 7/b so b= 7/sqrt(2)/2= 14/sqrt(2)= 14*sqrt(2)/2= 7*sqrt(2) so the final simplified answer for the value of b= 7*sqrt(2)
Any questions please ask. Thank you kindly.