Question

Triangle DGT is isoceles with TD=DG. If the perimiter of triangle DGT is 756cm and GT= 240cm then DG=?.

HELP ME???


...then 2*DG + 240cm = 756cm
solve for DG.

Answer 1

DG= 258

TD+ DG+240= 756

756-240= 516
TD+DG=516
2x=516
x=258
DG= 258