Question

find obc
without using trigonometry
radius =r
of=r/2
​

Answer 1

Answer:

obc=45⁰

becuse angle ocb =90⁰(perpendicular )

angle cob=90⁰÷2=45⁰

therfore angle obc= 180⁰-(90⁰+45⁰)

=45⁰

Step-by-step explanation:

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