3 years ago

Vertical angle of isoceles triangle is 50° while it's base angles are together 2x .find x

1 answer:

7 0

Answer:

The sum of all the angles of an isoceles triangle is 180°

So it's 50° + 2x° = 180°

50 + 2x = 180

2x = 180 - 50

2x = 130

x = 130/2

x = 65

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