Which two numbers should the answer to the missing side be between.

Which statement about the relative areas of triangle abd and triangle xyz is true

What is not true about kl and mn? what is mn? (show )

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b