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Sphinxa [80]
3 years ago
7

How many triangles can be constructed using angle measurements ​ 81°,52°,47° ​? exactly one triangle

Mathematics
2 answers:
Natali [406]3 years ago
7 0
More than one triangle is the correct answer

MrMuchimi3 years ago
4 0
More than one triangle because it has to measure up to 180° 

81 + 52 + 47 = 180

(Example) If you had a triangle that has the measurements 123 and 60 it would add up to be 183 so it would not be possible because the sum of all triangles cannot exceed 180°

Brainiest please I need it to level up
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krok68 [10]

Answer:

Everything except the last one about rigid transformations. Rigid transformations change the shape in size or the shape completely.

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2 years ago
Decide whether the equations is a trigonometric function identity, EXPLAIN.
hodyreva [135]

(1) Answer: Identity true

\cos^2x(1+\tan^2x)=\cos^2x(1+\frac{sin^2x}{cos^2x})=\\= \cos^2x\frac{cos^2x+sin^2x}{cos^2x}=1

(2) Answer: Identity true

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7 0
3 years ago
By which angle measures can the square be rotated so it maps onto itself?
Amanda [17]

The <em><u>correct answers</u></em> are:

90°, 180° and 270°

Explanation:

Squares have rotational symmetry at 90°.  This can be found by dividing the number of degrees in a circle, 360, by the number of sides, 4:

360/4 = 90

This means that at all multiples of 90, the square will rotate onto itself.  This means that 90, 180 and 270 are all correct.

3 0
2 years ago
Help pls it’s due today *photo*
a_sh-v [17]

9514 1404 393

Answer:

   ACBD-BDAC

Step-by-step explanation:

It is convenient to compare the values of each of the functions when h=1. On the graphs, find 1 on the horizontal axis, then read the value of the function at that point from the vertical axis.

For the equations, the value for h=1 will be its coefficient in the equation.

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1) a: 80,b: 50, c: 75, d: 30

Fastest to slowest is ACBD.

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2) a: 4, b: 2, c: 8, d: 3

Slowest to fastest is BDAC

__

The code is these lists, separated by a dash: ACBD-BDAC.

4 0
3 years ago
PLEASE HELP ME I DONT UNDERSTAND MY HOMEWORK AND ITS TUE TODAY
Scrat [10]

Answer:

All of the above

Step-by-step explanation:

The question is asking you which equation you can use for you to find the value of the undefined variable, n.

In this case, all of the equations above are eligible to find the value of the variable n since regardless of the variable position, you will yet be able to find its value.

3 0
3 years ago
Read 2 more answers
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