Question

find the unknown lettered angle ​

Answer 1

Answer:

the angles are

1.x=60

2.x=50

3.x=60

Step-by-step explanation:

1.x+50+70=180

@x+120=180

@x=180-120

@x=60

2.x+65+65=180

@x+130=180

@x=180-130

@x=50

3.x+x+x=180

@3x=180

@x=180/3

@x=60

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Answer 2

Answer:

x = 60

a = 50

X = 60,60,60

Step-by-step explanation:

1. 180 - 50+70 = 180 - 120 = 60
2. 180 - 65 + 65 = 180 - 130 = 50
3. Using angle sum property.

x + x + x = 180

=> 3x = 180

=> x = 180/3 = 60

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