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4 years ago

3) A particular motorcycle is 9 ft long. A

Mathematics

2 answers:

zimovet [89]4 years ago

7 0

Answer:3 inches

Step-by-step explanation:

For every inch is 3 feet

9 feet ÷3 feet to 1 inch = 3 inches

Shalnov [3]4 years ago

5 0

The model is 3 inches, since 3 times 3 is 9 and 1 times 3 is 3.

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What is the length of Line segment B C, rounded to the nearest tenth? 13. 0 units 28. 8 units 31. 2 units 33. 8 units.

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The length of the line segment BC is 31.2 units.

<h2>Given that</h2>

Triangle ABC is shown.

Angle ABC is a right angle.

An altitude is drawn from point B to point D on side AC to form a right angle.

The length of AD is 5 and the length of BD is 12.

<h3>We have to determine</h3>

What is the length of Line segment BC?

<h3>According to the question</h3>

The altitude of the triangle is given by;

$\rm Altitude = \sqrt{xy}$

Where x is DC and y is 5 units.

Then,

The length DC is.

$\rm Altitude = \sqrt{xy}\\
\\
12 = \sqrt{(DC) \times 5}\\
\\
\sqrt{DC } = \dfrac{12}{\sqrt{5}}\\
\\
$

Squaring on both sides

$\rm DC = \dfrac{144}{5}\\
\\
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Considering right triangle BDC, use the Pythagorean theorem to find BC:

$\rm BC^2 = DC^2+BD^2\\\\ BC^2 = (28.8)^2+(12)^2\\

\\
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\\
BC = \sqrt{973.44}\\
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To know more about Pythagoras Theorem click the link given below.

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