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qwelly [4]
3 years ago
11

How to classify a triangle by side and angle ?

Mathematics
1 answer:
s2008m [1.1K]3 years ago
3 0

By angle:

We can classify a triangle 4 different ways when we're judging it by it's angle(s).

Acute: A triangle where all angles are less than 90 degrees.

Obtuse: A triangle where one angle is greater than 90 degrees.

Right: A triangle where one of the angles is exactly 90 degrees.

Equiangular: A triangle where all angles are the same (60 degrees.)


We can also classify a triangle by its sides:

Equilateral: (technically the same as an equiangular triangle, in order to have 3 equal sides you must have 3 equal angles as well.)

Isosceles: Two sides are the same length, where one is not.

Scalene: All three sides are different lengths.


I hope this helps!

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Step-by-step explanation:

10x+3=6x+5

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divide both by 4

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A factory can make 3,848 pencils in one hour. Which is the best estimate of how many pencils can be made in 4 hours?
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15,392 pencils.

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A probability distribution for a random variable Y is given by P(Y=y)=cy, for y=1,2,4,5 and c is a constant. Find E(Y), the expe
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Answer:

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Now we can find the expected value with this formula:

E(Y) =\sum_{i=1}^n Y_i P(Y_i) =\sum_{i=1}^n cy_i *y_i = cy^2_i

And replacing we got:

E(Y) = \frac{1}{12} (1^2 + 2^2 + 4^2 +5^2) = \frac{46}{12}= \frac{23}{6}

Step-by-step explanation:

For this case we know the following probability mass function given:

P(y) = cy , y= 1,2,4,5

For this case we need to satisfy the following condition in order to have a probability distribution function:

\sum_{i=1}^n P(y_i) =1

And we have this:

c(1+2+4+5) =1

c =\frac{1}{12}

Now we can find the expected value with this formula:

E(Y) =\sum_{i=1}^n Y_i P(Y_i) =\sum_{i=1}^n cy_i *y_i = cy^2_i

And replacing we got:

E(Y) = \frac{1}{12} (1^2 + 2^2 + 4^2 +5^2) = \frac{46}{12}= \frac{23}{6}

6 0
3 years ago
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Answer:

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12.50 + 8.75 (5) = 56.23

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Step-by-step explanation:

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