11. (8)(6) = 5(x+2) intersection of chords
48 = 5x + 10
38 = 5x
x = 38/5 = 7.6
12. x² = 6(12) = 72 intersection of chords
x² = √72 = 6√2
13. 3(x+5) = 6x intersection of chords
3x+15 = 6x
3x = 15
x = 5
14. 10x = 4(x+6) intersection of chords
10x = 4x + 24
6x = 24
x = 4
15. 6y = 5(7) = 35 intersecting secant
y = 35/6 = 5 and 5/6
x² = 5(7) intersection of secant-tangent
x = √35
16. 4y = 8² intersection of secant-tangent
y = 64/4 = 16
16(4) = x(12) intersection of secants
12x = 64
x = 5 and 1/3
17. 5(2x) = 6(11-6) intersection of secants
10x = 6(5) = 30
x = 3
18. 9x= 12(18) = 216 intersection of secants
x = 24
19. 6x = 4² = 16 intersection of secant-tangent
x = 16/6 = 2 and 2/3
20. 5x = 6² = 36 intersection of secant-tangent
x = 7 and 1/6
Pacheck nalang lods HAHA tinry ko lang walang magawa