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Thaqib
Subject: Maths
, asked on 26/3/18
Show that four points (0,-1) , (6,7) , (-2,3) and (8,3) are the vertices of a rectangle , also find its area .
Answer
2
Sreeja Pagadala
Subject: Maths
, asked on 26/3/18
Is it necessary to learn the derivations of the co-ordinate geometry formulas
Answer
1
Varsha Reddy
Subject: Maths
, asked on 26/3/18
Solve this :
$1.ABCDisaparalle\mathrm{log}ramwithverticesA({x}_{1},{y}_{1}),B({x}_{2},{y}_{2})andC({x}_{3},{y}_{3}),findthecoordinatesofthefourthvertexDintermsof{x}_{1},{x}_{2},{x}_{3},{y}_{1},{y}_{2}and{y}_{3}.$
Answer
1
Aishani Pandey
Subject: Maths
, asked on 26/3/18
Which derivations in maths board exam 2017-18 class 10 are important?
Answer
4
Hrushikesh Badgujar
Subject: Maths
, asked on 26/3/18
a unit vector which is equally inclined to vectors i, -2i+j+2k/3 and -4j-3k/5 is
Answer
1
Hrushikesh Badgujar
Subject: Maths
, asked on 26/3/18
Q).
A Vector of magnitude 2 along a bisector of the angle between the two vectors 2i - 2j + k and i + 2j - 2k is
Answer
0
Ghosh Brothers
Subject: Maths
, asked on 26/3/18
Q-19.. urgent
Answer
3
अर्कज ..
Subject: Maths
, asked on 26/3/18
Solve this:
Q.30. The mean of the following frequency distribution is 47. Find the value of 'p'.
Classes
0-
20
20-
40
40-
60
60-
80
80-
100
Frequency
8
15
20
p
5
Answer
2
अर्कज ..
Subject: Maths
, asked on 26/3/18
Q. From the top of a 7m high building the angle of elevation of the top of a cable tower is 60
$\xb0$
and the angle of depression of the foot of the tower is 30
$\xb0$
. Find the height of the tower .
Answer
1
Zaid Khan
Subject: Maths
, asked on 25/3/18
11th is the answer 18/5 =k
Q11. Point A lies on the line segment PQ joining P (6, – 6) and Q (–4, –1) in such a way that
$\frac{\mathrm{PA}}{\mathrm{PQ}}=\frac{2}{5}$
. If point P also lies on the line 3x + k (y + 1) = 0 find the value of k.
Answer
2
अर्कज ..
Subject: Maths
, asked on 25/3/18
If the points A(1,-2) ,B(2,3),C(a,2),D(-4,-3) from a parallelogram , then find the value of a and the height of the parallelogram taking AB as base.
Answer
1
अर्कज ..
Subject: Maths
, asked on 25/3/18
If the points A(1,-2) ,B(2,3),C(a,2),D(-4,-3) from a parallelogram , then find the value of a and the height of the parallelogram taking AB as base.
Answer
1
Aishani Pandey
Subject: Maths
, asked on 24/3/18
Are derivations of formulae in maths board exam2017-18 coming?
Answer
4
Jahnvi Singh
Subject: Maths
, asked on 24/3/18
Q.):- The points A (4, -2), B(7, 2), C(0, 9) and D(-3, 5) form a parallelogram. Find the length of the altitude of the parallelogram on the base AB.
Answer
2
Varsha Reddy
Subject: Maths
, asked on 24/3/18
Solve 29sum 3 bit
Q29.(i) Show that the points A(5, 6), B (1, 5) , C(2, 1) and D(6, 2) are the vertices of a square.
(ii) Prove that the points A (2, 3), B (–2, 2), C (–1, –2), and D (3, –1) are the vertices of a square ABCD.
(iii) Name the type of triangle PQR formed by the points P (
$\sqrt{2}$
,
$\sqrt{2}$
), Q (–
$\sqrt{2}$
, –
$\sqrt{2}$
) and R (–
$\sqrt{6}$
,
$\sqrt{6}$
)
Answer
7
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$1.ABCDisaparalle\mathrm{log}ramwithverticesA({x}_{1},{y}_{1}),B({x}_{2},{y}_{2})andC({x}_{3},{y}_{3}),findthecoordinatesofthefourthvertexDintermsof{x}_{1},{x}_{2},{x}_{3},{y}_{1},{y}_{2}and{y}_{3}.$

a unit vector which is equally inclined to vectors i, -2i+j+2k/3 and -4j-3k/5 isA Vector of magnitude 2 along a bisector of the angle between the two vectors 2i - 2j + k and i + 2j - 2k isQ.30. The mean of the following frequency distribution is 47. Find the value of 'p'.

20

40

60

80

100

Q. From the top of a 7m high building the angle of elevation of the top of a cable tower is 60$\xb0$ and the angle of depression of the foot of the tower is 30$\xb0$. Find the height of the tower .

Q11. Point A lies on the line segment PQ joining P (6, – 6) and Q (–4, –1) in such a way that $\frac{\mathrm{PA}}{\mathrm{PQ}}=\frac{2}{5}$. If point P also lies on the line 3x + k (y + 1) = 0 find the value of k.

Q29.(i) Show that the points A(5, 6), B (1, 5) , C(2, 1) and D(6, 2) are the vertices of a square.

(ii) Prove that the points A (2, 3), B (–2, 2), C (–1, –2), and D (3, –1) are the vertices of a square ABCD.

(iii) Name the type of triangle PQR formed by the points P ( $\sqrt{2}$ ,$\sqrt{2}$), Q (–$\sqrt{2}$, –$\sqrt{2}$) and R (– $\sqrt{6}$,$\sqrt{6}$)