Find the value of $x$ in the $△ A B C$ .

30^{\circ}

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35^{\circ}

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40^{\circ}

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45^{\circ}

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Solution

The correct option is B $35^{\circ}$
We know that sum of angles in a triangle $= 180$
$120^{o} + 25^{o} + x = 180$
$145^{o} + x = 180^{o}$
$x = 35^{o}$

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Similar questions

In the given figure, BD = AD and DC = AC, If $∠ A B C = 35^{\circ},$ then $x^{\circ}$ = ___.

In the given figure AB || CD. If $∠ E G D = 140^{\circ}$ and $∠ G H B = 4 x^{\circ}$ , then find the value of x.

Age	$20 - 25$	$25 - 30$	$30 - 35$	$35 - 40$	$40 - 45$	$45 - 50$
Number of persons	$170$	$110$	$80$	$45$	$40$	$35$

30 - 35, 35 - 40

40 - 45

400

32

Age (in Years)	$20 - 25$	$25 - 30$	$30 - 35$	$35 - 40$	$40 - 45$	$45 - 50$
Frequency	$110$	$x$	$75$	$55$	$y$	$30$

(x - y)

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