Question

find the angle measure x plz tell me in essy method​

Answer 1

ANGEL "C" IS EXTERIOR ANGLE AND IT 'S ANGLE IS SUM OF OTHER TWO OPPOSITE INTERIOR ANGLE.

ANGLE BAC AND ABC ARE INTERIOR OPPOSITE ANGLE ,

SO, C = ANGEL BAC + ANGLE

ABC

= 55° + 75°

= 180°

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Answer 2

Hello,

Given :— Ext. Angle A = 125⁰

Ext. Angle B = 105⁰

To Find :— Ext. Angle C (i.e Angle x)

(I will denote Angle by '<')

Procedure :— <BAC = 180⁰– 125⁰ (Linear Pair)

Int. Angle A = 55⁰

<ABC = 180⁰– 105⁰ (Linear Pair)

= 75⁰ (Int. Angle B)

<ACB = 55⁰ + 75⁰ + <C = 180⁰

<C = 180⁰ – 130⁰

= 50⁰

Therefore,

Ext. Angle C = 180⁰ – 50⁰ (Linear Pair)

= 130⁰

<X = 130⁰

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