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Diano4ka-milaya [45]
3 years ago
5

SOMEONE HELP PLEASE

Mathematics
2 answers:
gulaghasi [49]3 years ago
8 0

Answer:

So the correct answer is option B- ( b - a )

Step-by-step explanation:

Given that M and N are the mid-points of RT and ST.

We are to find the length of MN.

As shown in the figure,

the co-ordinates of the point T are (2c, 2d),

the co-ordinates of the point S are (2b, 0),

and

the co-ordinates of the point R are (2c, 2d).

Since M is the mid-point of TR, so the co-ordinates of M are

\left(\dfrac{2c+2a}{2},\dfrac{2d+0}{2}\right)=(c+a,d).

Also, N is the mid-point of TS, the co-ordinates of N are

\left(\dfrac{2c+2b}{2},\dfrac{2d+0}{2}\right)=c+b,d)(.

Therefore, the length of the line segment MN calculated using distance formula will be

MN=\sqrt{(c+b-c-a)^2+(d-d)^2}=\sqrt{(b-a)^2}=b-a.

Thus, the required length of MN is (b - a) units.

Option (B) is correct.

yan [13]3 years ago
7 0
I have this same question, can anyone answer it?
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