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Arealul Suprafeței Sferei Descoperit: Bazele și Formele

Arealul Suprafeței Sferei Descoperit: Bazele și Formele

Ngazi Zote • 7 Mihadhara • Ufikiaji wa Maisha Yote
Prabh Kirpa Classes

Mwalimu Mkuu Aliyethibitishwa

Arealul Suprafeței Sferei Descoperit: Bazele și Formele
trailer ya gari
Kutana na mwalimu wako: Prabh Kirpa Classes

19 ms

5.0 / 5.0
Ukadiriaji wa Kimataifa
1
Wanafunzi Watendaji
Kiingereza
Nukuu 99 za Lugha
38 dak
Jumla ya Maudhui

Utajifunza nini

Ce înseamnă sferic? Care este diferența dintre sferică și emisferă?
Câte fețe au sferică și emisferă?
Cum se calculează aria suprafeței sferei?
Dacă raza sferei este dublat, ce se va întâmpla cu aria sa de suprafață?

Maudhui ya Kozi

2 sehemu • 7 mihadhara • 00:38:32 urefu wa jumla

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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Cunoștințe de bază în Algebră și concepte Geometrice

Watazamaji Walengwa

Intended learners: Students and any individual who enjoys learning about various mathematical concepts

Kuhusu kozi hii

  • Ce înseamnă sferic?
  • Ce se înțelege prin raza sferei?
  • Care sunt proprietățile unei sfere?
  • Care sunt câteva exemple de sfere în viața de zi cu zi?
  • Ce se înțelege prin emisferă?
  • La câtă distanță de centrul sferei se află orice punct de pe suprafața sferei?
  • Care este diferența dintre sferică și emisferă?
  • Câte fețe are o sferică?
  • Ce se înțelege prin aria suprafeței unei sfere?
  • Care este formula pentru calculul unei sfere?
  • Ce înseamnă „π” în formula pentru calculul unei sfere?
  • Cum se găsește aria suprafeței unei sfere când raza este dată?
  • Cum se calculează aria suprafeței unei sfere când diametrul sferei este dat?
  • Cum se calculează raportul arii suprafețelor a două baloane când raza unui balon sferic este dublat?
  • Cum se calculează raza unei sfere când aria suprafeței sferei este dată?
  • Cum se calculează raportul arii suprafeței Lunii și Pământului când diametrul Lunii este aproximativ o treime din diametrul Pământului?
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