Shapes I and L are congruent triangles. When I is rotated 90° anti-clockwise it has the same orientation as L. The sizes of angles must be ... ÷ BC = 6 ÷ 3 = 2. The sides DE and DF are three ...

The story of scissors congruence demonstrates how classical ... meaning none of the sides can be curved. Could you have made any possible polygon with the same area as your original piece of ...

(b) Among two congruent angles, one has a measure of 70°; the measure of the other angle is _____. (c) When we write ∠A = ∠B, we actually mean ...

Please provide your email address to receive an email when new articles are posted on . Patellofemoral instability is a common problem after total knee arthroplasty (TKA). The incidence of ...