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Sagot :

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LESSON area

[tex]_________________________________________[/tex]

Answer:

  1. A = 153.86 sq.m
  2. A = 314 sq.in
  3. A = 200.96 cm²

[tex]_________________________________________[/tex]

FORMULA:

  • A = πr2

[tex]_________________________________________[/tex]

SOLVE NUMBER 1:

A = πr2

A = (3.14)(7)(2)

A = (3.14)(49)

A = 153.86 sq.m

Explanation

  • 1st we need to used the formula of A = πr2 that A represent area and Π or pi represent 3.14 equavalent and r is the radius and the purpose of 2 is to multiply the radius
  • all we need to is to multiply the π × r × 2

[tex]_________________________________________[/tex]

SOLVE NUMBER 2:

A = πr2

A = (3.14)(10)(2)

A = (3.14)(100)

A = 314 sq.in

Explanation

  • 1st we need to used the formula of A = πr2 that A represent area and Π or pi represent 3.14 equavalent and r is the radius and the purpose of 2 is to multiply the radius
  • all we need to is to multiply the π × r × 2

[tex]_________________________________________[/tex]

SOLVE NUMBER 3:

A = πr2

A = (3.14)(8)(2)

A = (3.14)(64)

A = 200.96 cm²

Explanation

  • 1st we need to used the formula of A = πr2 that A represent area and Π or pi represent 3.14 equavalent and r is the radius and the purpose of 2 is to multiply the radius
  • all we need to is to multiply the π × r × 2

[tex]_________________________________________[/tex]

Note:

  • π pi is equal to 3.14
  • r is tje radius
  • 2 multiply the r and π
  • π times r times 2 or π × r × 2
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