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Leaming Task 3: Visualize and solve the problem.
2. Mrs. Hernandez made a cylindrical pencil holder. It has a height of 5 inches and a diameter of 4 inches. How much material does she need to make her pencil holder?
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Leaming Task 3 Visualize And Solve The Problem2 Mrs Hernandez Made A Cylindrical Pencil Holder It Has A Height Of 5 Inches And A Diameter Of 4 Inches How Much M class=

Sagot :

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Answer:

  1. 400 cm³ of sticker will be needed
  2. 62.8 inches³ of material to make her pencil holder

Solution & Given For No. 1

Given:

Length - 20cm

Width - 4cm

height - 5cm

Solution:

V = 20cm × 4cm × 5cm

= 400cm³

Solution & Given For No. 2

Given:

Diameter - 4 inches

Height - 5 inches

Solution:

V = (3.14) (4 inches ÷ 2)² (5 inches)

= (3.14) (2 inches)² (5inches)

= (3.14) (4 inches²) (5 inches)

= 12.56 inches² (5 inches)

= 62.8 inches³

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