26. ABC is a righe triangle right angled at C If A = 30° and AB = 40 units, find the remaining two
sides of AABC)
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Hi,
acb is a right angled
ac/ab=cosa=√3/2
ac=40*√3/2=20√3cm............(1)(ans)
bc/ab=sin30=1/2
bc=(1/2)*40=20 cm...............((2))(ans)
angle b=180-(90+30)=60
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