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In the figure, if A B=A C ,/B A D=30^0 a...

In the figure, if `A B=A C ,/_B A D=30^0` and `A E=A D ,` then `x` is equal to Figure `15^0` (b) `10^0` (c) `12. 5^0` (d) `7. 5^0`

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