Question

Find the values of x and y in the following figure

Answer 1

Answer:

In the given question

y=30° ( vertically opposite angles)

AC=BC(given )

therefore angle cab=angle cba

in triangle abc

angle A +angle B +angle C =180° (angle sum property)

30 +30+x=180°

60°+x=180°

x=120°

Answer 2

y. =. 30°. [ opposite angles are equal]

now ,. AC. =. BC

so,. angleCAB. =. angleCBA

so,. 30°. =. angle CBA

in triangle ABC

angleCBA + angleCAB. + x. = 180°

30°. +. 30°. +x. =. 180°

so,. x. =. 120°

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