Question

Three angles of a quadrilateral are equal and the fourth angle measures 120°. What
is the measure of each of the equal angles?
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Answer 1

Answer:

one angle --:120

opposite angle ---:120°

now,

corresponding angle --:180-120--:60°

opposite angle--:60°

then ,

1st angle --:120°

2. ---:60°

3. ---:120°

4. -----:60°

then,

proved

130+60+120+60--:360°

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

3x + 120 = 360 {angle sum prop}

3x = 360 - 120 =240

x=80 °

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