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scoray [572]
3 years ago
6

Can the sides of a triangle be in the given ratio? 3:4:5

Mathematics
2 answers:
RUDIKE [14]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

In order to determine if a triple of values will form a triangle, we must apply the Triangle Inequality Theorem, which states that for a triangle with lengths a, b, and c:

a + b > c

a + c > b

b + c > a

Here, let's suppose that since the ratio of the sides is 3 : 4 : 5, then let the actual side lengths be 3x, 4x, and 5x, where x is simply a real value.

With loss of generality, set a = 3x, b = 4x, and c = 5x. Plug these into the Triangle Inequality to check:

a + b > c  ⇒  3x + 4x  >?  5x  ⇒  7x > 5x  ⇒  This is true

a + c > b  ⇒  3x + 5x  >?  4x  ⇒  8x > 4x  ⇒  This is also true

b + c > a  ⇒  4x + 5x  >?  3x  ⇒  9x > 3x  ⇒  This is true

Since all three conditions are satisfied, we know that a true triangle can be formed given that the ratio of their sides is 3 : 4 : 5.

<em>~ an aesthetics lover</em>

Mariana [72]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

Yes, and it’s a right triangle.

3²+4²=5²

9+16=25

25=25

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Answer:

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Step-by-step explanation:

4 0
3 years ago
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Work out $216 as a percentage of $600
dusya [7]

Answer:

36%

Step-by-step explanation:

Put it into a fraction:

216/600

Next divide:

216/600= 0.36

Turn the decimal into a percentage:

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216 as a percentage of 600 is equal to 36%.

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3 years ago
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The width of a rectangle is one more than twice its length. If the rectangle's perimeter is 44 cm, then its length is ____ cm. T
Alenkasestr [34]

The length of rectangle is 7 cm.

Step-by-step explanation:

Given,

Perimeter of rectangle = 44 cm

Length = l

Width = 2l + 1  

Perimeter = 2(Length + Width)

44=2(l+2l+1)\\44=2(3l+1)\\44=6l+2\\44-2=6l\\42=6l\\6l=42

Dividing both sides by 6

\frac{6l}{6}=\frac{42}{6}\\l=7

The length of rectangle is 7 cm.

Keywords: rectangle, perimeter

Learn more about rectangles at:

  • brainly.com/question/1286775
  • brainly.com/question/12868188

#LearnwithBrainly

5 0
3 years ago
Find the equation of a line that contains the points (−5,−7) and (−8,0).
kifflom [539]

Answer:

y=\frac{-7}{3}x-\frac{56}{3}

Step-by-step explanation:

first find the slope using the slope formula

slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

(x_{1},y_{1})=(-5,-7)

(x_{2},y_{2})=(-8,0)

plug in

\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{(0)-(-7)}{(-8)-(-5)}=\frac{0+7}{-8+5}=\frac{7}{-3}=\frac{-7}{3}

m = -7/3

and using point slope form

y-y_{1}=m(x-x_{1})

y-(-7)=(\frac{-7}{3})(x-(-5))

y+7=(\frac{-7}{3})(x+5)

y=\frac{-7}{3}x-\frac{35}{3}-7

y=\frac{-7}{3}x-\frac{35}{3}-\frac{21}{3}

y=\frac{-7}{3}x-\frac{56}{3}

4 0
3 years ago
How do you solve 0.08 / 3.24
IgorLugansk [536]

Example: To divide 0.3 / 4, look at the numerator and look at the denominator and ask "How many digits are AFTER the decimal point?" In this fraction, you would say "1" and "0", respectively.

Make those two numbers (1 and 0) equal by changing the denominator from 4 to 4.0. Now, you have 0.3 / 4.0. Throw away the decimal points for the fraction 3 / 40. Then just divide.

hope this helped!

4 0
3 years ago
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