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2 years ago

What is the measure of each exterior angle of a regular triangle

Mathematics

2 answers:

Sophie [7]2 years ago

5 0

Answer:Each pair of interior angle and the exterior angle

So the exterior angle = 360° - the interior angle.

Makovka662 [10]2 years ago

4 0

Answer:

So, for an equilateral triangle we have 360/3 = 120 degrees as the exterior angle, and 180-120 = 60 degrees as the interior angle. For a square, you get 360/4 = 90 degrees as the exterior angle and 180-90 = 90 degrees as the interior angle.

Step-by-step explanation:

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Sonbull [250]

Answer:

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Step-by-step explanation:

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3 years ago

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2 years ago

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A video lasts 6.44 minutes about how long does the video last, rounded to the nearest minute.

Umnica [9.8K]

<span>The video last for about 6.44 minutes. Rounded to the nearest minutes
=> So let’s simplify the given equation
=> 6.44 minutes in where 6 = minutes, 44 = seconds.
Now, we have our minute’s value which is 6, let us start the rounding
=> 6.44, the number that follows the 6 is a decimal number which is 4.
4 is below 5, so we need to follow the rounding rule. This will round down.
=> 6 minutes
Therefore, the video lasts for about 6 minutes.

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8 0

2 years ago

Recorremos un camino de 1km a una velocidad de 6 km/h. ¿Cuanto tardamos en llegar al destino?

Ksenya-84 [330]

Answer:

10 minutos

Step-by-step explanation:

La operación a efectuar es:

1km / (6km/h)

= 1/6 hora

expresándolo en minutos es:

1 hora = 60 minutos

1/6 hora = 60*1/6 = 10 minutos

Tardaremos:

10 minutos

en llegar al destino

5 0

2 years ago

What is the value of r (3,4), (-1,r),m=-3/4

Llana [10]

To find the value of r

We will follow the steps below

Usinf the equation of a slope:

slope(m) =

$m=\frac{y_2-y_1}{x_2-x_1}$

from the question given;

m= -3/4

x₁ = 3

y₁=4

x₂=-1

y₂=r

substituting the values into the slope formula

$\frac{-3}{4}\text{ = }\frac{r-4}{-1-3}$

we can now simplify and then solve for r

$\frac{-3}{4}\text{ = }\frac{r-4}{-4}$

cross-multiply

-3 x -4 = 4(r-4)

12 = 4(r-4)

Divide both-side of the equation by 4

$\frac{12}{4}\text{ = }\frac{4(r-4)}{4}$

3 = r - 4

add 4 to both-side of the equation

3+4 = r-4+4

7 = r

r=7

Therefore the value of r is 7

4 0

7 months ago