∠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:
Answer from: Quest
you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.
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Answer from: Quest
the answer for the question that you are asking is 4
40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows. statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.