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In a cyclic square ABCD, twice the measu...

In a cyclic `square ABCD`, twice the measure of `/_A` is thrice the measure of `/_C`. Find the measure of `/_C` a)`36^@` b)`72^@` c)`90^@` d)`108^@`

A

`36^@`

B

`72^@`

C

`90^@`

D

`108^@`

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