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Makovka662 [10]
3 years ago
13

John has a circular pool that has a radius of 7 feet. What is the area of his pool? Please use the formula sheet to assist you w

ith this question. Question 3 options: 49.6 ft squared 153.86 ft squared 43.96 ft squared 615.44 ft squared
Mathematics
2 answers:
andrew-mc [135]3 years ago
5 0

Answer:

153.86 square feet

Step-by-step explanation:

The formula for the area of a circle is A=πr2

area = pi x radius squared

the radius is 7 feet, square that to get 49

multiply 49 by pi to get the area: 153.86 square feet

Tcecarenko [31]3 years ago
5 0

Answer:

153,86 stóp kwadratowych

Step-by-step explanation:

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Numerical coefficient of the term x over 7
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The net of a rectangular prism is shown below.
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Answer:

28

Step-by-step explanation:

Using a net to find the surface area of a rectangular prism

Finding the areas of each of the rectangles and squares of the net of a rectangular prism and adding up those areas gives the surface area or total surface area of the prism.

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Surface Area of a Rectangular Prism using Nets

A rectangular prism or cuboid is formed by folding a net as shown −

Cuboid

We can see from the net that there are two rectangles with dimensions 3 cm by 6 cm, two rectangles with dimensions 2 cm by 6 cm and two rectangles with dimensions 2 cm by 3 cm. The total surface area is then

2 × 3 × 6 + 2 × 2 × 6 + 2 × 2 × 3 = 72 cm2

Example 1:

Find the surface area of the given rectangular prism in square cm.

Rectangular Prism in Square cm

Solution

Step 1:

Using net, the surface area of a rectangular prism

= 2lw+wh+lh; l = 6 ; w = 5; h = 3

Step 2:

Surface area of given prism = 26×5+6×3+3×5

= 230+18+15

= 126 square cm

Example 2:

Find the surface area of the given rectangular prism in square cm.

Rectangular Prism Square cm

Solution

Step 1:

Using net, the surface area of a rectangular prism

= 2lw+wh+lh; l = 5; w = 6; h = 4

Step 2:

Surface area of given prism = 25×6+5×4+6×4

= 230+20+24

= 148 square cm

6 0
3 years ago
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A number when divided by 899 gives a remainder 63. If the same number is divided by 29, then the remainder will be :
elena55 [62]

x = 899xy + 63

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29(31y+2)+85

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The remainder will be 5.

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