Question

find the value of "x"
please tell me​

Answer 1

Answer:

5x+140°=180

180-140=5x

40=5x

40/5=x

8=x

the value of x is 8

5x putting the value of x

5×8=40

Answer 2

ASKED:-

• Find the value of x

PROVIDED:-

• The two pairs of vertically opposite angles are 140° and 5x.

${\bold\blue{To \: Find:-}}$

• Value of x

${\bold\green{Solution:-}}$

140° = 5x (As, vertically opposite angles are always equal)

$x = \frac{140}{5}$

➥ x = 28°

∴The value of x is 28°

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EXPLAINATION:-

• When two straight lines intersect each other, the pairs of angles so formed without any common arm are called vertically opposite angles.

• Vertically opposite angles are always equal.