lettered angles ?

please help i really dont understand this one question

Answers
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midnight1234
01 November 2012
here's 2 clues :the triangle
maths_physics
05 November 2012
... is an isosceles triangle, that means 2 of its angles are the same
maths_physics
05 November 2012
also there is a line that cuts across 2 parallel lines, there is a rule which says the angles the 'cutting' line makes with the 2 parallel lines is the same. Can you spot these 2 angles?
maths_physics
05 November 2012
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