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3 years ago

What special word is used to describe a polygon which has equal angles

Mathematics

2 answers:

Ede4ka [16]3 years ago

8 0

It would be called a regular polygon because all sides are equal

r-ruslan [8.4K]3 years ago

7 0

A polygon that has equal angles is equiangular.

Hope this helps!! :)

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La suma de las edades de tres personas es 127años. La mayor tiene 30 años mas que la menor y la del intermedio 26 menos que la m

Over [174]

Answer:

La mayor tiene 61 años.

Step-by-step explanation:

Sea x,y,z la edad de la mayor, intermedio y la menor respectivamente.

Tenemos las siguientes ecuaciones:

$x+y+z=127$ (la suma de las edades es 127)

$x = z+30$ (la mayor tiene 30 años más que la menor)

La frase "y la del intermedio 26 menos que la menor" no tiene sentido, puesto que esto implicaría que la del intermedio es menor que la menor. Luego se asume que la frase ha de ser "y la del intermedio 26 menos que la mayor"

$x-26 = y$ (la del intermedio tiene 26 menos que la mayor).

La segunda ecuación se traduce a x-30 =z. Si reemplazamos todo en la primera ecuación obtenemos

$x+(x-26)+(x-30) = 127$

Obtenemos la ecuación

$3x-56 = 127$

Sumando 56 a ambos lados y dividiendo por 3, obtenemos

$x = \frac{127+56}{3} = 61$

Es decir la mayor tiene 61 años.

6 0

3 years ago

Two right triangles are shown. First, find the missing leg of the triangle on the right. Then you have two lengths to use to fin

jasenka [17]

Answer:

x = 30m

Step-by-step explanation:

GIVEN :-

There are 2 right-angled triangles.

In the triangle on the right side ,

Hypotenuse = 26m
Base = 10m

In the triangle on the left side ,

Base = 18m

TO FIND :-

Length of the common perpendicular to both triangles.
Length of the hypotenuse of the triangle on the left side.

FACTS TO KNOW BEFORE SOLVING :-

$Hypotenuse = \sqrt{Base^2 + Perpendicular^2}$ .
$Perpendicular = \sqrt{Hypotenuse^2 - Base^2}$

SOLUTION :-

In the triangle on the right side ,

$Perpendicular = \sqrt{26^2 - 10^2} = \sqrt{676 - 100} = \sqrt{576} = 24m$

⇒ Perpendicular of the triangle on right side = Perpendicular of the triangle on left side.

In the triangle on the left side ,

$Hypotenuse = \sqrt{24^2 + 18^2} = \sqrt{576 + 324} = \sqrt{900} = 30m$

∴ x = 30m

3 0

3 years ago

Of 1800 students enrolled in school 55% are girls. of the girls attending this school 30% take the bus to school

leonid [27]

55% of 1800 = 0.55(1800) = 990...so there are 990 girls in the school

30% of 990 = 0.30(990) = 297...so there are 297 girls who take the bus

7 0

3 years ago

What is the electoral college? select one:

ad-work [718]

The answer is "electors from each state who cast ballots for president and vice president."

Have a great night! :)

8 0

3 years ago

1. The following sinusoid is plotted below. Complete the following steps to model the curve using the cosine function.

egoroff_w [7]

1. Vertical shift, when k is outside of the parenthesis it indicates the translation up or down. Positive k is up and negative k is down.

2. Horizontal shift, when k is inside of the parenthesis it indicates the translation left or right. BE CAREFUL: positive k is left and negative k is right. Don’t get these mixed up

8 0

3 years ago