Question

in the adjoining figure if b=a+c. find b

Answer 1

Prove that the curve y^2=4ax and xy=c^2 cut at right angles if c^4=32a^4

Answer 2

given,b=a+c
a+b+c=180degree(linear pairs)
a+c+a+c=180degree (as b=a+c)
2(a+c)=180degree
a+c=180degree/2
a+c=90degree
hence,b=90degree.