PQR is an isosceles triangle in which PQ=PR

M and N are points on PQ and PR such that angle MRQ = angle NQR

Prove that triangles QNR and RMQ are Congruent

17 in long 1.3 ft wide and 8in high what is the volume

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.