Determine the missing coordinate in the ordered pair ) so that it will satisfy the given equation. 5x + 3y =8

The answer should be c.

The median segment divides the triangle into 2 isosceles triangles and everything else is trivial.|ad|=|bc|2=|bd|soδadb  is isosceles with∠dab=∠dbasimilarlyδadc  is isosceles with  ∠dac=∠dca∠cab=∠cad+∠bad=∠acb+∠abctherefore∠cab  is a right angleandbc  is the hypotenuse of a right-angled triangle.hope this

The perimeter of a shape is the length of all the sides. therefore, you could either use the equation s+s+s+s, or s*4.