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Readme [11.4K]
3 years ago
5

Polygon abcd is rotated 90 degrees counterclockwise about the orgin to create polygon a b c d , match each set of cordinates to

the vertices of polygon a b c d
Mathematics
1 answer:
mihalych1998 [28]3 years ago
3 0

Answer:

A'(-1, 1), B'(-2, 1), C'(-2, 2) and D'(-1, 3).

Step-by-step explanation:

Transformation is the movement of a point from its initial location to a new location. Types of transformation is reflection, rotation, translation and dilation.

Rotation is the turning of an object about a point. If a point A(x, y) is rotated 90 degrees counterclockwise about the origin, the new point would be A'(-y, x)

From the image attached, the coordinates of polygon ABCD is A(1, 1), B(1, 2), C(2, 2), D(3, 1). If polygon ABCD is rotated 90 degrees counterclockwise about the origin, the new vertices would be at A'(-1, 1), B'(-2, 1), C'(-2, 2) and D'(-1, 3).

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A 50 loot ladder is leaning against a building. If the base of the ladder is 35 feet from the base of the building, how far up t
Hatshy [7]

Answer:

The ladder is 35.71 feet up the building

Step-by-step explanation:

Here, we want to calculate how far up the building is the ladder placed

We should picture a right angled triangle with hypotenuse 50 and one of the other sides as 35

To find the height in this case, we proceed to use Pythagoras’ theorem which states that the square of the hypotenuse equals the sum of the squares of the two other sides

In this case, let the height be

50^2 = 35^2 + h^2

h^2 = 50^2-35^2

h^2 = (50+35)(50-35)

h^2 = (85)(15)

h^2 = 1275

h = square root of 1275

h = 35.71 ft

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3 years ago
Eugene can type 55 words per minuet. Allen can type 80 words in 2 minuets. If Eugene and Allen each type for 30 minuets, how man
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Answer:

Step-by-step explanation:

55x30=1650 80/2=40 40x30=1200

1650-1200=450 Therefore Eugene has type 450 more words then Allen has

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Last year, Michael biked 318 miles. This year, he biked m miles. Using m , write an expression for the total number of miles he
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Answer:

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7 0
2 years ago
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Please help! What’s the mean of 13, 13, 10?
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Answer:

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Hope this helps (:

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