Grade 12Trigonometry
if A=2B then b(b+c)= a) a2 b)a c)2a d)a/2 (from properties of triangles)
if A=2B then b(b+c)=
a) a2 b)a c)2a d)a/2 (from properties of triangles)
1 Answer
moumi roy
ANSWER IS (A)
THIS CAN BE DONE BY HIT AND TRIAL
TAKING B=45 A=90.HENCE AN ISOSCALE TRIANGLE where b=c
if b=c=1,a=(2^(1/2))
putting in b(b+c)=2=a^2.check it ,it is true for all.
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