THEBEASTMONSTER5506
THEBEASTMONSTER5506 THEBEASTMONSTER5506
  • 02-03-2020
  • Mathematics
contestada

What is the length of AB?

15
9
4.5
18

What is the length of AB 15 9 45 18 class=

Respuesta :

ahmedilahm614
ahmedilahm614 ahmedilahm614
  • 02-03-2020

Answer:

4.5

Step-by-step explanation:

Answer Link
amna04352
amna04352 amna04352
  • 02-03-2020

Answer:

18

Step-by-step explanation:

Let X be the midpoint of the chord AB

Distance between X and the centre:

15-3 = 12

XB² = 15² - 12²

XB² = 81

XB = 9

AB = 2XB = 18

Answer Link

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