3 years ago

Help me plz and thank you

Mathematics

2 answers:

Gennadij [26K]3 years ago

6 0

Answer:

x = 66 degrees, y = 57 degrees

Step-by-step explanation:

180 - 123 = 57 = y

57 + 57 + x = 180

114 + x = 180

x = 66

ollegr [7]3 years ago

4 0

Answer:

x = 70

y = 55

Step-by-step explanation:

Exterior angle = Sum of opposite angles

x + y = 125

y + 125 = 180

( because this is an isosceles triangle )

y = 180 - 125

y = 55

Substitute y = 55 in eq. x + y = 125,

x + 55 = 125

x = 125 - 55

x = 70

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