d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two
Answer from: Quest
answer: 75°
step-by-step explanation:
∠esk is the supplement of ∠edk, so is 100°. ∠esd = 1/2·arc ed, so is 25°.
since ∠esk = ∠esd + ∠dsk
you have 100° = 25° + ∠dsk . .
fill in known values 75° = ∠dsk . . . . .
subtract 25°
step-by-step explanation:
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