piserelletrent
piserelletrent piserelletrent
  • 26-04-2021
  • Mathematics
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Need help with this work ASAP

Need help with this work ASAP class=

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asmikatke
asmikatke asmikatke
  • 26-04-2021

Answer:

option 2: 15

Step-by-step explanation:

ΔBOA is a right angled triangle.

By Pythagoras theorem,

[tex] {oa}^{2} = {bo}^{2} + {ba}^{2} [/tex]

[tex] {oa}^{2} = { {9}^{2} } + {12}^{2} [/tex]

[tex] {oa}^{2} = 81 + 144 [/tex]

OA = √225

OA = 15

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