What is m∠PTQ? Line segment PS and QR crosses each other at the point T. The angle PTQ is (x + 28) degree. The angle RTS is (2x + 16) degree.

A. 12°
B. 40°
C. 50°
D. 140°

Could answer every question with steps

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.