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2 years ago

The diameter is 14 feet. What is the area of the garden. Use 3.14

Mathematics

2 answers:

mojhsa [17]2 years ago

5 0

Answer:

153.93804

Step-by-step explanation:

Area = π $r^2$

r = $\frac{d}{2}$

Area = π $*7^2$ = 153.938040026

Ainat [17]2 years ago

5 0

Answer:

Step-by-step explanation:

This is the answer because you have to use the formula

1. What do you have?

Formula: A = pi*r^2

Parts of Formula:

pi = 3.14

r = d/2

d = diameter = 14

r = radius = 7

2. Make Use of What you have

Make an equation:

pi * r^2

3.14 * 7^2 = A

3. Solve

3.14 * 7^2

= 3.14 * 49

= 153.86

<h2>SO the answer is 153.86</h2><h2></h2>

Hope this helped,

Kavitha

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Elena L [17]

The amount of balloons in the tent is 125.075 feet cube. From the given options, approximately, option D is correct

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Given, Rob is making a tent out of canvas in the shape of a square pyramid. Each side of the square base is 6 feet long, and the height is 6.3 feet.

Rob filled the tent with balloons,

We have to find which measurement BEST describes the amount of balloons in the tent?

As tent if filled with balloons the amount of balloons equals with volume of tent.

Volume of tent is given as:

$\text { volume of tent }=a^{2}+2 a \sqrt{\frac{a^{2}}{4}+h^{2}}$

where "a" is side length and "h" is height.

$\begin{array}{l}{\text { Then, Volume }=6.3^{2}+2(6.3) \sqrt{\frac{6.3^{2}}{4}+6^{2}}} \\\\ {=39.69+12.6 \sqrt{9.925+36}} \\\\ {=39.69+12.6 \times 6.7766=39.69+85.385} \\\\ {=125.075 \mathrm{ft}^{3}}\end{array}$