Answered

At Westonci.ca, we make it easy for you to get the answers you need from a community of knowledgeable individuals. Get the answers you need quickly and accurately from a dedicated community of experts on our Q&A platform. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

The diameter of a sphere is multiplied by 1/5. What is the effect on the surface area?



Answer choices:

5 times bigger
5 times smaller
25 times bigger
25 times smaller
15 times bigger
15 times smaller
125 times bigger
125 times smaller
Answer is not here

Sagot :

mhanifa

Answer:

  • 25 times smaller

Step-by-step explanation:

Scale factor is:

  • k = 1/5

Ratio of surface areas is:

  • k² = (1/5)² = 1/25

Surface area will be 25 times smaller

Correct choice is D

MisterBrainly

We know the ratio of sides to area

  • a/b=a²/b²

So

If diameter is multiplied by 1/5

Surface are increases

  • (1/5)²
  • 1/25

25 times smaller

Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. We hope this was helpful. Please come back whenever you need more information or answers to your queries. Get the answers you need at Westonci.ca. Stay informed with our latest expert advice.