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Mathematics 8 Online
OpenStudy (anonymous):

In ΔABC, ∠ ABC is a right angle included between AB¯¯¯¯¯ = 3 units and BC¯¯¯¯¯ = 2 units. ΔABC is dilated by a scale factor of 0.5 with point B as the center of dilation, resulting in the image ΔA′B′C′. Which statement about A'B¯¯¯¯¯¯ is true? A.)A'B¯¯¯¯¯¯ is 1.5 units long and lies on the same line as AB¯¯¯¯¯. B.)A'B¯¯¯¯¯¯ is 3 units long and lies on the same line as AB¯¯¯¯¯. C.)A'B¯¯¯¯¯¯ is 1.5 units long but lies on a different line than AB¯¯¯¯¯. D.)A'B¯¯¯¯¯¯ is 3 units long but lies on a different line than AB¯¯¯¯¯.

OpenStudy (anonymous):

@Mehek14

Mehek (mehek14):

is there a pic?

OpenStudy (anonymous):

no

Mehek (mehek14):

ok lets start with AB

Mehek (mehek14):

it was 3 and you have a scale factor of 0.5

Mehek (mehek14):

so 3*0.5?

OpenStudy (anonymous):

1.5

Mehek (mehek14):

ok there are two answer choices you can eliminate B and D

OpenStudy (anonymous):

i think its A but idk what do u think

Mehek (mehek14):

let me draw it for you so you can get a better understanding

Mehek (mehek14):

|dw:1426543403230:dw| original

Mehek (mehek14):

|dw:1426543444579:dw|

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