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With similar triangles the corresponding angles are equal True or False?
True. With similar triangles the corresponding angles are equal.
If you know that two of the angles in a quadrilateral are obtuse then what is true about the other two angles and Explain?
You know that at least one of them must be acute. A quadrilteral can have three obtuse angles, but not four.
Is it true If two angles are complementary then both angles must be acute?
True because both angles must add up to 90 degrees
True or false Two right triangles that are not similar still may have one congruent acute angle in common?
False. Assume that you had a two right triangles with one congruent acute (<90 degrees) angle in common. Let x represent the number of degrees in this angle in both triangles (which we can do since the angles are congruent). Let y represent the degree of the other angle in the first triangle and let z represent the degree of the other angle in the second triangle. We know that the sum of the degrees of the angles in a triangle is 180. So for the first triangle we have, 90+x+y = 180 For the second triangle, 90+x+z=180 Therefore, 90+x+y=90+x+z Subtract the 90+x from each side: y=z Therefore the degrees of the angles of the two triangles both are 90 [because they are both right triangles], x [because we said that this is the number of degrees of the congruent angles given in the problem], and y [because y=z]. Because the three angles of both triangles have the same measurement, the triangles must be similar.
Are the angles of similar triangles equal?
yeah this is true a similar trangle maens three angls same. each of angle is 60digree
