Ask Question
23 January, 10:04

Question A: A right cone has a radius of 3 ft and slant height 7 ft. The radius and slant height are both doubled. Which of the following correctly describes the effect on the surface area?

1. The surface area is multiplied by 4.

2. The surface area is multiplied by 1/2.

3. The surface area is multiplied by 1/4.

4. The surface area is multiplied by 2.

Question B: A right cone has a radius of 2 ft and slant height 5 ft. The radius and slant height are both multiplied by 1/4. Which of the following correctly describes the effect on the surface area?

1. The surface area is multiplied by 16.

2. The surface area is multiplied by 8.

3. The surface area is multiplied by 1/16.

4. The surface area is multiplied by 1/8.

+2
Answers (1)
  1. 23 January, 12:01
    0
    Question A: 1. The surface area is multiplied by 4

    Question B: 3. The surface area is multiplied by 1/16

    Step-by-step explanation:

    The effect of scaling the linear dimensions by some factor is to scale the area by the square of that factor.

    ___

    Question A: 2^2 = 4. Area is multiplied by 4.

    ___

    Question B: (1/4) ^2 = 1/16. Area is multiplied by 1/16.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Question A: A right cone has a radius of 3 ft and slant height 7 ft. The radius and slant height are both doubled. Which of the following ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers