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 .

Subject: Maths, asked on 26/3/18

## Is it necessary to learn the derivations of the co-ordinate geometry formulas

Subject: Maths, asked on 26/3/18

## Solve this :

Subject: Maths, asked on 26/3/18

## Which derivations in maths board exam 2017-18 class 10 are important?

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

Subject: Maths, asked on 26/3/18

## Q-19.. urgent

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

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$°$ and the angle of depression of the foot of the tower is 30$°$. Find the height of the tower .

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.

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.

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.

Subject: Maths, asked on 24/3/18

## Are derivations of formulae in maths board exam2017-18 coming?

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.

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 (– $\sqrt{6}$,$\sqrt{6}$)

Subject: Maths, asked on 24/3/18
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