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Travka [436]
3 years ago
5

A triangle has sides of lengths 6, 2, 7. Is it right triangle?

Mathematics
1 answer:
Alex17521 [72]3 years ago
7 0
By the pythagoreans' theorem,

All right-angle triangle with the opposite squared + adjacent squared = hypotenuse squared.

6² + 2² ≠ 7²
Therefore the triangle is not a right angle triangle

Answer is B.
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podryga [215]

Step-by-step explanation:

this is solved like this

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3 years ago
What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4?
deff fn [24]
Let L be the length of an arc subtended by an angle of \theta on a circle of radius r. Then the ratio of the arc's length to its subtended angle is proportional with the circle's entire circumference to one complete revolution:

\dfrac{2\pi r}{2\pi}=\dfrac{L}{\theta}

Solving for L yields the formula for arc length of a circular arc,

L=r\theta

where \theta is in radians. To convert to degrees, use the conversion factor \dfrac{180^\circ}{\pi\text{ rad}}.

L=4\times\left(72^\circ\times\dfrac{\pi\text{ rad}}{180^\circ}\right)=4\times\dfrac{2\pi}5=\dfrac{8\pi}5\approx5.0265
4 0
3 years ago
What is equidistant from the vertices of a triangle.
docker41 [41]

Answer:

The circumcenter of a triangle is a point that is equidistant from all three vertices.

Step-by-step explanation:

What is equidistant from the vertices of a triangle?

The circumcenter of a triangle is a point that is equidistant from all three vertices.

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2 years ago
Mike scored a 125 at a semi-final dividing competition season. He scored 95 at this final season. What is the percentage decreas
IrinaK [193]

Answer:

There was a 24% decrease

Step-by-step explanation:

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