Given, "If angles are congruent, then the measures of the angles are equal." Identify the hypothesis.   Then the measures of the angles are equal.   If angles are congruent.   The measures of the angles are equal.   Angles are congruent.

A triangle has sides a , b and c . Page a stands against the angle α . Page b stands against the angle β . Page c stands against the angle γ . Determine the angle α , if a=14 cm, w=20 cm and c=9 cm. Answer in degrees to two correctly rounded decimal places (remember to use decimal point). If there is no triangle with the three given sides, answer with the empty set. Example. α={

Which sets of angles listed are complementary in this diagram? G В E O ZAEF and ZFED ,ZAEG and CEG O ZAEG and 2CEG , CEG and ZCEB O ZAEG and ZAED ,ZFED and DEB O ZAEF and ZFED , ZFED and ZDEB

A Create a random triangle, AABC. Measure and record its angles. B. Now you will attempt to copy your original triangle using one of its angles: • Draw a line segment. DE, any length anywhere on the coordinate plane, but not on top of AABC. • Choose one of the angles on AABC. From point D. create an angle of the same size as the angle you chose. Then draw a ray from D through the angle. You should now have an angle that is congruent to the angle you chose on AABC. • Create a point anywhere outside the mouth, or opening, of the angle you created. The point will initially be named F by the tool, but you should rename it point G. Now draw a ray from E through G such that it intersects the first ray. Your creation should be a closed shape resembling a triangle. • Label the point of intersection of the two rays F, and draw angle DEF by creating a polygon through points D. E. and F. • Click on point G. and move it around. By moving point G. you can change angle DEF and angle EFD , while…