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igor_vitrenko [27]
3 years ago
8

Another geometry question :D

Mathematics
2 answers:
Nitella [24]3 years ago
8 0
I think it should be c 
Nikolay [14]3 years ago
8 0

Answer:

Translated according to the rule (x, y) →(x + 8, y + 2) and reflected across the x-axis

Step-by-step explanation:

The given polygons are translated and then reflected along x or y axis .

To determine the one from the given options the figure is translated and then reflected along x axis .Consider points A and A'.

A (-4,5) ....>A' (4,-7)

If 8 is added to x and 2 to y ordinates we have:

A(-4+8,5+2)= ( 4,7)

If this point is reflected along x axis we have the reflected point as (4,-7) which is point A'.

The same is true for all the other points of the polygon.

Hence, The two transformations are applied to pentagon ABCDE to create A'B'C'D'E is Translated according to the rule (x, y) →(x + 8, y + 2) and reflected across the x-axis.

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If a circle has a radius of 9 and a sector defined by a 254 degree arc, what is the area of the sector
myrzilka [38]
The answer is 179.451 or 1143π/20.

The arc is 254°.  A circle is 360°.  This means the arc makes up 254/360 of the circle.  We will multiply this fraction by the area of the circle, which is 

A = πr² = π(9)² = 81π = 254.34

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