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Someoneee pleaseee helppp!!!

Someoneee pleaseee helppp!!!-example-1
User Udy
by
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1 Answer

4 votes

Answer:


part\ a\ A'(1,2),\ B'(2,5),\ C'(5,2)


part\ b\ A

Explanation:

Given co-ordinates are
A(-5,2),\ B(-4,5),\ C(-1,2).

Part a

We will find the co-ordinate of ABC by translating 6 units to the right.

If any co-ordinate say
P(x,y) is translated
k units to the right then co-ordinate of translated point
P' will be
P'(x+k,y)

Here we are translating 6 units to the right. So, our
k is 6.

Now, co-ordinates after translating is


A(-5,2)\ =\ A(-5+6,2)\ =\ A'(1,2)\\B(-4,5)\ =\ B(-4+6,5)\ =\ B'(2,5)\\C(-1,2)\ =\ C(-1+6,2)\ =\ C'(5,2)

Part b

Now, we will find the co-ordinate of ABC after translating 6 units to the right with a rotation of 90°.

When any point say
R'(x,y) is rotated 90° the new co-ordinate after rotation about the origin is
R''(-y,x).

So, new co-ordinates are


A'(1,2)=A''(-2,1)\\\ B'(2,5)=B

User Evalarezo
by
7.8k points

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