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LuckyWell [14K]
3 years ago
9

Which of the following is not true about reflections

Mathematics
1 answer:
Leona [35]3 years ago
5 0

Answer:

The image faces the same direction as the pre-image.

Step-by-step explanation:

These are TRUE statements

*An image created by a reflection will always be congruent to its pre-image.

*Corresponding angles and segments are always congruent in a reflection of a figure.

*Reflections can only be constructed across horizontal or vertical lines.

*Reflections may change the size of a pre-image

Hope that helps!

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Are 22 42 60 a right triangle or not?
Lelechka [254]

Answer:First things first, let's explain what a right triangle is. The definition is very simple and might even seem obvious for those who already know it: a right-angled triangle is a triangle where one and only one of the angles is exactly 90°. The other two angles will clearly be smaller than the right angle because the sum of all angles in a triangle is always 180°.

In a right angled triangle the sides are defined in a special way. The side opposing the right angle is always the biggest in the triangle and receives the name of "hypotenuse". The other two sides are called catheti. The relationship between the hypotenuse and each of the cathetus is a very simple one, as we will see when we will talk about Pythagoras' theorem.

Hypotenuse calculator

If all you want to calculate is the hypotenuse of a right triangle, this page and its right triangle calculator will work just fine. However, we would also recommend to use the specific tool we have developed at Omni Calculators: the hypotenuse calculator. The hypotenuse is opposite the right angle and can be solved by using the Pythagorean theorem. In a right triangle with cathetus a and b and with hypotenuse c, Pythagoras' theorem states that: a² + b² = c².

To solve for c, take the square root of both sides to get c = √(b²+a²). This extension of the Pythagorean theorem can be considered as a "hypotenuse formula". A Pythagorean theorem calculator is also an excellent tool for calculating the hypotenuse.

Let's now solve a practical example of what it would take to calculate the hypotenuse of a right triangle without using any calculators available at Omni:

Obtain the values of a and b,

Square a and b,

Sum up both values: a² + b²,

Take the square root of the result,

The square root will yield a positive and negative result. Since we are dealing with length, disregard the negative result,

The resulting value is the value of the hypotenuse c.

Now let's see what the process would be using one of Omni's calculator, for example, the right triangle calculator on this web page:

Insert the value of a and b into the calculator

Obtain the value of c immediately

As a bonus, you will get the value of the area for such a triangle.

Step-by-step explanation:Hope this helped u also may i have brainlist plz?

4 0
3 years ago
a restaurant has an all-you-can-eat buffet. They charge $13.95 per person. what is the constant of proportionality?​
Evgen [1.6K]

Answer:

staurant has an all-you-can-eat buffet. They charge $13.95 per person. what is the constant of proportionality?​

Step-by-step explanation:

3 0
3 years ago
Mollie drinks a lot of water throughout the day! She drinks 3 and 1/2 liters of water every 2/3 of an hour. How many liters of w
Murrr4er [49]

Answer:a gallon

Step-by-step explanation:if you add cup by cup you can see that it is a gallon by adding them or putting it in a allon jug

6 0
3 years ago
Which angles are vertical to DEA? Question is located in the attached file (image)​
ValentinkaMS [17]

Answer:

∠CEB

Step-by-step explanation:

The vertical angle is one that is directly <em>opposite</em> to the original angle. In this image of two intersecting lines, it looks like the angle ∠CEB is directly across from our angle ∠DEA. So, the angle ∠CEB is <em>vertical to</em> ∠DEA.

Hopefully that was helpful! :)

3 0
3 years ago
Kendra is buying an outfit that is on sale for 20% off. The original price of the outfit is $109.
Misha Larkins [42]
It could be 64$ because i did division

4 0
3 years ago
Read 2 more answers
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