Question

I nee help please and thankyou

Answer 1

Question 7

Using the secant-secant theorem,

`4(x+4)=3(8) \\ \\ x+4=6 \\ \\ \boxed{x=2}`

Question 8

Using the intersecting chords theorem,

`8(4x+2)=9(4x) \\ \\ 32x+16=36x \\ \\ 16=4x \\ \\ \boxed{x=4}`