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구의 겉넓이 밝혀내기: 기초 및 공식

구의 겉넓이 밝혀내기: 기초 및 공식

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구의 겉넓이 밝혀내기: 기초 및 공식
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38 min
Kabuuang Nilalaman

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구란 무엇인가요? 구와 반구의 차이점은 무엇인가요?
구와 반구에는 몇 개의 면이 있나요?
구의 겉넓이를 어떻게 계산하나요?
구의 반지름이 두 배가 되었을 때 그 겉넓이는 어떻게 변하나요?

Nilalaman ng Kurso

2 na mga seksyon • 7 mga lektura • 00:38:32 kabuuang haba

Introduction

02:04
  1. What is meant by Sphere?
  2. What is the difference between Sphere and Hemisphere?
  3. How many faces sphere and hemisphere have?
  4. What are the examples of spheres in the real world?
  5. What is the formula for calculating the surface area of sphere?
  6. If the radius of the sphere is doubled, what will happen to its surface area?

Meaning and Surface Area

06:46
  1. What is the meaning of sphere?
  2. What is meant by radius of sphere?
  3. What are the properties of a sphere?
  4. Which are some examples of spheres in everyday life?
  5. What is meant by Hemisphere?
  6. What is the difference between Sphere and Hemisphere?
  7. How many faces a sphere has?
  8. What is meant by surface area of a sphere?
  9. What is the formula for calculation of a sphere?
  10. What is meant by “π” in the formula for calculation of a sphere?

Calculating radius from surface area

03:05

Calculating Surface Area of Sphere from radius

06:31

How to find the surface area of a sphere when radius is given?

Ratio of surface area of two balloons

05:46

How to calculate the ratio of surface areas of the two balloons when radius of a spherical balloon is doubled?

Calculating Surface Area of Sphere from diameter

07:26

How to calculate the surface area of a sphere when diameter of sphere is given?

Ratio of surface area of moon vs. Earth

06:50

How to calculate the ratio of surface area of moon and earth when diameter of the moon is approximately one-fourth of diameter of the earth?

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Tungkol sa kursong ito

  • 구의 의미는 무엇인가요?
  • 구의 반지름이란 무엇인가요?
  • 구의 속성은 무엇인가요?
  • 일상생활에서 구의 예는 무엇인가요?
  • 반구란 무엇인가요?
  • 구의 중심으로부터 구의 표면 면적에 있는 어떤 점까지의 거리는 얼마인가요?
  • 구와 반구의 차이점은 무엇인가요?
  • 구에는 몇 개의 면이 있나요?
  • 구의 겉넓이란 무엇인가요?
  • 구의 계산 공식은 무엇인가요?
  • 구의 계산 공식에서 'π'는 무엇을 의미하나요?
  • 반지름이 주어졌을 때 구의 겉넓이를 어떻게 계산하나요?
  • 구의 지름이 주어졌을 때 구의 겉넓이를 어떻게 계산하나요?
  • 구형 풍선의 반지름이 두 배가 되었을 때 두 풍선의 겉넓이 비율을 어떻게 계산하나요?
  • 구의 겉넓이가 주어졌을 때 구의 반지름을 어떻게 계산하나요?
  • 달의 지름이 지구의 지름의 약 1/4일 때 달과 지구의 겉넓이 비율을 어떻게 계산하나요?
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    This channel is purely education based. Our aim is to ensure that the students are able to understand each and every question in an easy way. We take pride in providing quality educational services to the students of Class VII to Class XI Science NCERT, English, Computer solutions, Mathematics, Business Studies & Economics. Our goal is to help the leaders of tomorrow to learn to succeed today....

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