Maths, Addmaths and Statistics: Post your doubts here!

[Lilly2318]

View attachment 43716

part b?????

50-12 =38

 

[Dream.Eater]

I know this is reflection in y=x-2
Can you do part a?

ans is (6,2)

 

[Dream.Eater]

Yeah but how? :/

draw the line of reflection and mark the point on the other side of the line that is equidistant from p and the line

 

[Dream.Eater]

50-12 =38

ans is 218

 

[funky brat]

Q3.b

Try making squares onto the piece of card, you'll figure out.

 

[funky brat]

draw the line of reflection and mark the point on the other side of the line that is equidistant from p and the line

How did you figure out the line in the first place?

 

[Lilly2318]

yes..its then 38 +180= 218. sorry for half ans

 

[Lilly2318]

ans is 218

yes..its then 38 +180= 218. sorry for half ans

 

[FLRNAB]

Q3.b

 

[Dream.Eater]

How did you figure out the line in the first place?

logic

 

[asadalam]

View attachment 43716

part b?????

180-12=168 that is angle NBO where N is north.Add 50 and answer is 218

 

[funky brat]

logic

sigh.

 

[Dark Destination]

How to rotate a figure?
Like, if we have to rotate 90 degrees clockwise? How do you people do it?

 

[asadalam]

What is meant by the even area?

 

[asadalam]

Try making squares onto the piece of card, you'll figure out.

Wow,so helpful -.-

How to rotate a figure?
Like, if we have to rotate 90 degrees clockwise? How do you people do it?

I usually apply the matrix.

 

[funky brat]

How to rotate a figure?
Like, if we have to rotate 90 degrees clockwise? How do you people do it?

Simple, I don't.

 

[Dark Destination]

Wow,so helpful -.-

I usually apply the matrix.

You do the matrix for every point?
What if the matrix isn't given?

 

[funky brat]

Wow,so helpful -.-

I usually apply the matrix.

Mr Asadalam, I always do it like that, sahi answer ata hai. Agar apko ziada shok hai even area kay sath dimag kharab karna ka to your call.

 

[asadalam]

You do the matrix for every point?
What if the matrix isn't given?

I make it.

 

[FLRNAB]

How did you figure out the line in the first place?

y = mx+c
m is gradient. c is y-intercept.
Take an example point like x = 1 and put it in the equation and get the corresponding y. Plot on the graph paper passing through y-intercept.