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Straight Lines Free Doubts and Solutions

CBSE - XI Science - Mathematics - Straight Lines

Find the coordinates of incentre of triangle formed by lines y-15=0,12y-5x=0,4y+3x=0.

Asked by lovemaan5500 8th October 2018, 5:19 PM
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CBSE - XI Science - Mathematics - Straight Lines

please kindly explain the solution of the Q.......

Asked by araima2001 31st July 2016, 7:00 PM
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CBSE - XI Science - Mathematics - Straight Lines

WE KNOW THAT FOR TWO LINES INTERSECTING, THERE ARE 2 ANGLE BISECTORS.
SIMILARLY , FOR 'A' LINE, HOW MANY ANGLE BISECTORS ARE POSSIBLE?
IS IT INFINITE NUMBER OF ANGLE BISECTORS ?
ASSUME THE LINE IS NOT CONNECTED BY 2 RAYS.IT IS JUST A LINE,HOW MANY ANGLE BISECTORS ARE  POSSIBLE?

Asked by Priyadarshini 5th March 2015, 8:49 PM
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CBSE - XI Science - Mathematics - Straight Lines

Hello sir/mam , i wanted to know whether  Parallel lines intersect at infinity?

Asked by Kalyanrao Chavan 2nd May 2014, 9:01 AM
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CBSE - XI Science - Mathematics - Straight Lines

Let m and n be the number C?f non-congruent integer-sided triangles

with perimeters 14 and 13, respectively. Then m - n ·has the value

(A) -1 (B) 0 (C) 1 (D) 2

Asked by Yash Sahu 20th April 2014, 11:00 PM
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CBSE - XI Science - Mathematics - Straight Lines

 

The line  is rotated through an angle  in the clockwise about the point . The equation of the line in its new position is :

Asked by Yash Mishra 16th April 2014, 1:26 PM
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CBSE - XI Science - Mathematics - Straight Lines

The number of real values of k for which the lines  and  are concurrent is :

Asked by Yash Mishra 16th April 2014, 1:25 PM
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CBSE - XI Science - Mathematics - Straight Lines

If the point (a, 2) lies between the lines  and , then the set of values of 'a' is : 

Asked by Yash Mishra 16th April 2014, 1:24 PM
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CBSE - XI Science - Mathematics - Straight Lines

If the lines x+(k-1)y+1=0 and 2x+k2y-1=0 are perpendicular then , find the value of ‘k’ ?

Asked by Kalyanrao Chavan 26th March 2014, 2:10 PM
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CBSE - XI Science - Mathematics - Straight Lines

coordinates of centroid of triangle ABC are (1,-1).vertices of triangle ABC are (-5,3),B(p,-1)and C(6,q). find p and q?

Asked by joel sunny 23rd February 2014, 6:51 PM
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