AD = DB
Angle ADE = Angle CDB
Angle DAE = Angle DBC (Alternate angles)
Angle DEA = Angle DCB (Alternate angles)
Since you have two congruent angles and one congruent side, triangle ADE is congruent to triangle CDB. This means that DE is congruent to DC implying D is the midpoint of CE.
Answer:
669.9 ft³
Step-by-step explanation:
The formula for volume of a cone:
The radius is 8; the height is 10.
From here, we can just plug the numbers into the formula.
≈ 
Answer:
The only one that would be reasonable is the first one...and maybe the third one too
Step-by-step explanation:
