In the given figure, x = ___

$10^{\circ}$

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$12^{\circ}$

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$15^{\circ}$

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$20^{\circ}$

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Solution

The correct option is B
$12^{\circ}$

$4 x^{\circ} + 5 x^{\circ} = 108^{\circ}$ .........(exterior angle)

$9 x^{\circ} = 108^{\circ}$

$x = 12^{\circ}$

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Similar questions

In the given figure, AOB is a straight line. The value of x is

(a) 12

(b) 15

(d) 25

$x$	$10$	$15$	$20$
$f (x)$	$14$	$18$	$28$

f (12)

x

A B ∥ E D

x

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