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Answer:
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Step-by-step explanation:
angle ADC=360-(45+35+50)
=360-130
=230 degree
therefore,x= 360-230 (since angle of a point is always 360)
दिया है :-
Angle B = 45°
Angle C = 50°
Angle A = 35°
सिद्ध करना है :-
Determine the value of x
। रचना :-
रेखा CD को E तक आगे बढ़ाया ।
हल :-
∆BCE में ,
Angle B + Angle C + Angle BEC = 180°
45° + 50° + Angle BEC = 180°
Angle BEC = 180° - 95°
Angle BEC = 85°
अब ,
Angle AED = 180° - 85° = 95°
∆AED में ,
Angle A + Angle AED + Angle D = 180°
35° + 95° + Angle D = 180°
Angle D = 180° - 130°
= 50°
अतः Angle X + Angle D = 180°
Angle X = 180° - 50°
Angle X = 130°