The vertices of a figure are given. Rotate the fig

Mathematics

1 answer:

kirill [66]3 years ago

4 0

Answer:

see explanation

Step-by-step explanation:

Under a counterclockwise rotation about the origin of 90°

a point (x, y ) → (- y, x ) , then

A (2, - 2 ) → A' (2, 2 )

B (4, - 1 ) → B' (1, 4 )

C (4, - 3 ) → C' (3, 4 )

D (2, - 4 ) → D' (4, 2 )

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What is the missing length?

TEA [102]

Answer: 13.722 km ; or, write as: 13 13/18 km .
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Explanation:
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Area = Length * width ;
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or, write as: A = L * w ;
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Given: A = 247 km² ;

L = 18 km ;

w = "y" ;
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Find: "y"
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A = L * w ;
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Plug in our values:
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247 km² = 18 km * "y" ; solve for "y" (in units of "km") ;

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18 y = 247 ;
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Divide each side of the equation by "18"; to isolate "y" on one side of the equation; and to solve for "y" :
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18 y / 18 = 247 / 18 ;
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to get:
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y = 13.7222222222222222...... km ; round to: 13.722 km

or; y = 13 13/18 km .
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3 0

3 years ago

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olganol [36]

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5 0

3 years ago

ΔA'B'C' was constructed using ΔABC and line segment EH.

Ivenika [448]

Answer: 1,3,4

Step-by-step explanation: