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Musya8 [376]
3 years ago
5

(URGENT) The converse of the Pythagorean theorem says that if the side lengths of a triangle satisfy the equation a2+b2=c2, the

n the triangle is a right triangle. Which triangle is a right triangle?

Mathematics
2 answers:
11111nata11111 [884]3 years ago
4 0
The 3rd picture is correct. By putting the according sides into the formula, we can see that the equation is true.

    a² + b² = c²
  5² + 12² = 13²
25 + 144 = 169
        169 = 169
sergij07 [2.7K]3 years ago
3 0
The 5 12 13 triangle because 5^2 + 12^2 = 13^2
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What is the perimeter of the triangle
nevsk [136]

Answer:

There’s no image, but to find the perimeter of the triangle just add up the totals of each side.

Step-by-step explanation:

3 0
3 years ago
The mean of three number is 15. if 2 of the numbers are 18 and 16 what is the third number​
MrMuchimi

Answer:

11

Step-by-step explanation:

The mean is calculated as

mean = \frac{sum}{count}

let the third number be x , then

\frac{18+16+x}{3} = 15 ( multiply both sides by 3 to clear the fraction )

34 + x = 45 ( subtract 34 from both sides )

x = 11 ← third number

3 0
3 years ago
Why must one leg of a triangle that the Pythagorean triple represents need an even-numbered length?
pashok25 [27]

Most of the square numbers are even.so if we need to find root over we need an even number to convert it to perfect square.

See the example below

  • P=3
  • B=4
  • H=5

\\ \ast\bull\rm\longmapsto H^2=P^2+B^2

\\ \ast\bull\rm\longmapsto H^2=3^2+4^2

\\ \ast\bull\rm\longmapsto H^2=9+16

\\ \ast\bull\rm\longmapsto H^2=25

\\ \ast\bull\rm\longmapsto H=\sqrt{25}

\\ \ast\bull\rm\longmapsto H=5

Some other triplets are

  • (6,8,10)
  • (5,12,13)
  • (8,15,17)
6 0
3 years ago
NEED HELP ASAP PLEASE!!
inna [77]
The correct answer should be C
7 0
3 years ago
A coffee table is on sale for 20% off the original price of $115. If there is 7.5% sales tax, what is the final price of the cof
alekssr [168]

Answer:

98.9

Step-by-step explanation:

115 - 20% = 92
92 + 7.5% = 98.9

7 0
3 years ago
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