Question

in figure triangle ABC is right angled at B and tanA= 4/3. if AC=15cm the length of BC is

Answer 1

5= 15
1= 3 then
3= 3×3= 9 cm will be the answer

Answer 2

tanA=4/3
so l
L^2+A^2=K^2
4^2+5^2=K^2
K=5CM
at the figure k=ac
so ac =5 cm
at tis way bc=4cm