A solid cone has radius and slant height . What is its vertical height ?
Answer and explanation
Correct answer: D.
- Step 1: In a right circular cone, radius, vertical height, and slant height form a right triangle: .
- Step 2: .
- Step 3: .
Answer
8\text{ cm}.
Why not the others: '' is the radius; '' subtracts 6 from 10; '' adds 2 to 10.
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