1.  What type of triangle has all angles measuring 60°? 

Hint
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2.  What type of triangle is Δ ABC, where AB = 55 km, AC = 55 km and BC = 36 km? (Note: km denotes kilometer.) 
 Halfnhalf Clue
 

3.  What type of triangle is Δ XYZ, where ∠X = 54°, ∠Y = 66° and ∠Z = 60°? 
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4.  What type of triangle is Δ ABC, where ∠A = ∠B = ∠C = 60°? 
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5.  A triangle has two angles measuring 47° and one angle measuring 86°. What type of triangle is this? 
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6.  What type of triangle is Δ ABC, where AB = AC = BC = 15 cm? (Note: cm denotes centimeter.) 
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7.  A triangle has angles measuring 60°, 67° and 53°. What type of triangle is this? 
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