Question

please answer Q. 33
itz from coordinate geometry
class 10 ncert
please itz urgent
faltu answers=report​

Answer 1

Answer:

r=√1+9=√10 cm

We observe that mid point of BC (3,3) is ortho centre

Step-by-step explanation:

Slope of AB

mAB=(6-4)/(4-0)=2/4=1/2

L is ( 2,5)

LO ⊥AM

So mLO=-1/mAB=-1/(1/2)=-2

Mo passes through  L(2,5)

So y=mx+c

5=-2*2+c

So c=5+4=9

So equation of LO is

y= -2x+9.........................(1)

**************

Similarly

Slope of BC

mBC=(2-4)/(6-0)=-2/6= -1/3

M is ( 3,3)

MO ⊥AM

So mMO=1/mBC=-1/(-1/3)= 3

Mo passes through  M(3,3)

So y=mx+c

3=3*3+c

So c=3-9=-6

So equation of MO is

y=3x-6............(2)

From (1) and (2)

3x-6=-2x+9

5x=15, x=3

and y=3*3-6=9-6=3

Thus the coordinates of Ortho centre are   (3,3)

Ortho radius=OA=√(4-3)²+(6-3)²

r=√1+9=√10 cm

We observe that mod point BC (3,3) is ortho centre

Answer 2

Answer:

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Step-by-step explanation:

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