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Nataliya [291]
2 years ago
15

What type of triangle is shown?

Mathematics
2 answers:
jeka57 [31]2 years ago
5 0

Answer:

c. isosceles

Step-by-step explanation:

the base angles are the same

Pepsi [2]2 years ago
3 0

Answer:

Isosceles

Step-by-step explanation:

<u>This triangle is an isosceles triangle,</u> this is because in an isosceles triangle, two angles MUST be congruent.

In a scalene triangle, they are all different

In an isosceles triangle, two angles MUST be congruent

In an equiangular triangle, all three angles MUST be congruent.

A common way that I learned to remember this is

SIE, S=scalene, I=isosceles, e=equiangular.

The good thing to remember about this is the placement of the letters in SIE.

The S is in the first place, indicating the angles in a scalene triangle are going to be different because they are individual angles (1 angle) The I in SIE is in the second place, because isosceles triangles have 2 congruent angles. Finally, equiangular triangles are triangles that have 3 congruent sides.

Examples of each 3 main types of triangles

S = any 3 different angles that add up to 180 degrees.

I = any 2 numbers that are the same, but add up with another number to   equal 180 degrees

E= any 3 numbers that are the same, and add up to equal 180 degrees.

I hope this helps to answer and explain your problem and how you can spot  the main types of triangles!

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What is this property 25x0=0
frozen [14]

Answer:

zero property

Step-by-step explanation:

if it equals zero its zero property

5 0
3 years ago
PLEASE HELP ME WITH Question 5
kozerog [31]
There are many ways to solve number 5 as it is just an reduce/enlargement of equidistant fractions

The first method that came up to my mind is just dividing denominators.

For A) you can do 72 divided by 18 which would give you 4. Then you can divide the given numerator with the answer you got from dividing the denominators. This would be 8 divided by 4 which would give you two. This means that 2/18 is equal to 8/72. You can check by simplifying the fraction. Both 2/18 and 8/72 equal 9 when simplified, therefore correct.

You can use this method for b, either use a calculator because of the decimals or just remove the decimals and replace them later. Make sure when you use this method, you are always dividing the bigger number. So in B you would do 40.3 divided by 12.4
4 0
3 years ago
(a) Find the size of each of two samples (assume that they are of equal size) needed to estimate the difference between the prop
zalisa [80]

Answer:

(a) The sample sizes are 6787.

(b) The sample sizes are 6666.

Step-by-step explanation:

(a)

The information provided is:

Confidence level = 98%

MOE = 0.02

n₁ = n₂ = n

\hat p_{1} = \hat p_{2} = \hat p = 0.50\ (\text{Assume})

Compute the sample sizes as follows:

MOE=z_{\alpha/2}\times\sqrt{\frac{2\times\hat p(1-\hat p)}{n}

       n=\frac{2\times\hat p(1-\hat p)\times (z_{\alpha/2})^{2}}{MOE^{2}}

          =\frac{2\times0.50(1-0.50)\times (2.33)^{2}}{0.02^{2}}\\\\=6786.125\\\\\approx 6787

Thus, the sample sizes are 6787.

(b)

Now it is provided that:

\hat p_{1}=0.45\\\hat p_{2}=0.58

Compute the sample size as follows:

MOE=z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})}{n}

       n=\frac{(z_{\alpha/2})^{2}\times [\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})]}{MOE^{2}}

          =\frac{2.33^{2}\times [0.45(1-0.45)+0.58(1-0.58)]}{0.02^{2}}\\\\=6665.331975\\\\\approx 6666

Thus, the sample sizes are 6666.

7 0
2 years ago
Solving proportions
Archy [21]
If you crossed multiplied than got an equation than x=6 ( if that's what your looking for)
4 0
3 years ago
I need help with this please asap
Alex

Step-by-step explanation:

We can prove that the triangles are congruent using the SAS method.

It's given that GH and JH are congruent (S)

Angle GHF and Angle IHJ are equal since they are vertically opposite (A)

It's given that FH and HI are congruent (S)

Thus, the triangles are congruent, which implies that the remaining sides are equal.

6 0
3 years ago
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