Question

BC =15; sinB=4/5 calculate AB and AC​

Answer 1

Answer:

Step-by-step explanation:

It is given BC =15; sinB=4/5

Let AC= 4x and AB = 5x

AB² =AC²   +BC²

Or,5x²=4x²  +15 ²

Or,25x²=16x²+225

Or,9x²=225

Or,x=5

AC= 4×5=20and AB = 5×5=25