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In a circle of radius 4 , two radii cut ...


In a circle of radius 4 , two radii cut off an arc of length 5, as shown above. To the nearest degree , find the acute angle `theta` formed by the radii.

A

`70^@`

B

`72^@`

C

`75^@`

D

`76^@`

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The correct Answer is:
B
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