Question

Guys please answer my question. Please Fast and correct answer. ​

Answer 1

Answer:

i) 65

ii) 50

iii) 34

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Answer 2

Answer:

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Step-by-step explanation:

Diagram I)

given :- A = 50°

B = X

C =?

exterior angle = 115° = E

solution:-

C + E = 180. .......linear pair

C + 115 = 180

c = 180 - 115

c = 65°

therefore,

A + B + C = 180° ........ angles of triangle

50 + X + 65 = 180°

X + 115 = 180°

X = 180 - 115

X = 65 °

X = 65° ✅

Diagram ii)

given :-

A = 30°

B = X

C = ?

exterior angel = 80° = E

solution :-

C + E = 180. .......linear pair

C + 80 = 180

C. = 180 - 80

C = 100

therefore,

A + B + C = 180° ............. angles of triangle

30 + X + 100 = 180

X + 130 = 180

X = 180 - 130

X = 50°

X = 50 ° ✅

Diagram iii)

given :-

A = 36°

B = X

C = ?

exterior angle = 70° = E

solution:-

C + E = 180°. ........linear pair

C + 70 = 180

C = 180 - 70

C = 110

therefore,

A + B + C = 180. .......... angles of triangle

36 + X + 110 = 180

X + 145 = 180

X = 180 - 145

X = 35°

X = 35°