How many triangles can be constructed with angles measuring 10º, 80º, and 90º?

How many triangles can you construct given three angle measures whose sum is 180°? The sum of theangle measures of any triangle is 180°. You can use a protractor to construct a triangle given threeangle measures. 90 90. 80 100. 70 110. 60. 120. 50. 130. 40. 140. 30. 150. 20. 160. 10. 170. 0. 180. 100.80. 110 70. 12.