answer: 75°
step-by-step explanation:
â esk is the supplement of â edk, so is 100°. â esd = 1/2¡arc ed, so is 25°.
since â esk = â esd + â dsk
you have 100° = 25° + â dsk . .
fill in known values 75° = â dsk . . . . .
subtract 25°
step-by-step explanation: