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All the four angles of a quadrilateral a...

All the four angles of a quadrilateral are in G.P. with common ratio r`(r in N)` . Any two angles are acute and other two angles are obtuse, then the measure of the smallest angle of the quadrilateral is :

A

`18^@`

B

`32^@`

C

`24^@`

D

`36^@`

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The correct Answer is:
C
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