Pvaries directly with q and inversely with r, and p=10 when q=5 and r=6. find p when q=6 and r=4.

Find the interior angle of a regular polygon which has 6 sides

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale