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FromTheMoon [43]
3 years ago
11

suppose someone tells you that she has a triangle with sides having lengths 2.6, 8.1 and 8.6 is this a right triangle? why or wh

y not? is there an angle in the triangle larger than 90?
Mathematics
2 answers:
yawa3891 [41]3 years ago
5 0
By the converse of the Pythagorean Theorem, if 8.6 ^2 = 8.1 ^2 + 2.6 ^2 , then the triangle is right. 73.96 is not equal to 72.37 so the triangle is not a right triangle.

8.6^2 is greater than (8.1^2 + 2.6^2) which means that the triangle is obtuse.
The obtuse angle is opposite the 8.6 side.
Dafna1 [17]3 years ago
4 0

Answer:

Yes, a 92.16 degree angle is greater than a 90 degree obtuse angle but not a right angle

Step-by-step explanation:

To ave a right triangle the two smaller sides squared added together would have to equal the largest side. A^2 + B^2 = C^2

2.6^2 +8.1^2= 8.6^2

6.76 + 65.61 = 73.96

72.37 = 73.96 No

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Answer:

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What is the percentage of 100
tigry1 [53]
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What numbers would equal 16 in multiplication but equal 7 in addition
Butoxors [25]
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7 0
3 years ago
3(x-2) write in a word ​
lina2011 [118]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
The slope of a line is 0 and it contains the point (3,1)
Sedaia [141]

Answer:

<h2>y = 1</h2>

Step-by-step explanation:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

<em>m</em><em> - slope</em>

<em>(x₁, y₁)</em><em> - point on a line</em>

We have <em>m = 0, (3, 1) → x₁ = 3, y₁ = 1</em>.

Substitute:

y-1=0(x-3)

y-1=0      <em>add 1 to both sides</em>

y=1

Other method.

If the slope is equal 0, then it's a horizontal line.

The equation of a horizontal line: <em>y = a</em>.

We have the point on a line (3, 1) → x = 3, y = 1.

Therefore the equation is <em>y = 1</em>.

3 0
3 years ago
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