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4 years ago

6

A composition of reflections over parallel lines is the same as a __________. A. translation B. rotation C. glide reflection D.

double rotation

2 answers:

kvv77 [185]4 years ago

4 0

Answer: A.

Step-by-step explanation:

A composition of reflections over two parallel lines is equivalent to a translation.

enyata [817]4 years ago

3 0

Answer: A

Step-by-step explanation:

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satela [25.4K]

Answer : The value of x and y is, $90^o$ and $43^oC$

Step-by-step explanation :

First we have to calculate the angle B.

As we know that,

The given triangle is an isosceles triangle in which the angles opposite to equal sides are always equal.

Thus, $\angle B=\angle C$

Given : $\angle C=47^o$

$\angle B=\angle C=47^o$

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Now have to calculate the angle A.

As we know that the sum of interior angles of a triangle is equal to $180^o$ .

$\angle A+\angle B+\angle C=180^o$

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$\angle A+94^o=180^o$

$\angle A=180^o-94^o$

$\angle A=86^o$

Now we have to determine the angle y.

As we know that, line AD is an angle bisector. That means, it divides into two equal angles. So,

$\angle y=\frac{\angle A}{2}$

$\angle y=\frac{86^o}{2}$

$\angle y=43^o$

Now we have to determine the angle x.

As we know that the sum of interior angles of a triangle is equal to $180^o$ .

$\angle y+\angle B+\angle x=180^o$

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6 0

3 years ago

Answer number 1 please and thankyou.

Ksivusya [100]

I think 120inches
I hope this helps

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2 years ago

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$\bf \textit{recall that }\qquad i^2=-1\\\\
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|4+3i|~|4+3i|\implies (4+3i)(4+3i)\implies 16+12i+12i+9i^2
\\\\\\
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3 years ago