Answer:
82
Step-by-step explanation:
opposite angles in a cyclic quadrilateral are supplimentary
SAS stand for side-angle-side. In order to know that these two triangles are similar you need to find the measure of side GH and MN
Chucks age=C
Dave’s age=x
C=x-3
There are 714 boys in that school, you can cross multiply and divide to find the answer, if you wanna check. The way I wrote it was x (boys) / 1309 = 6/11.