NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Tisha
Subject: Maths
, asked on 4/4/18
4 question of picture:
4. In the adjoining figure, AD is median of
$\u25b3$
ABC, MB and CN are perpendiculars drawn from B and C respectively on AD and AD produced. Prove that BM =CN.
Hint .
$\u25b3\mathrm{BMD}\cong \u25b3\mathrm{CND}\mathrm{by}\mathrm{AAS}.$
Answer
1
Vivek
Subject: Maths
, asked on 31/3/18
I have not got this statement myself. So, kindly Prove this entire statement given in figure with the help of different instance. ( About equialgular triangle that, how two congruent triangle will be equiangular and two equiangular triangles need not to be congruent)
Answer
2
Prithika
Subject: Maths
, asked on 22/3/18
Q. In any triangle , the sum of medians is greater than what times the perimeter ? Sum of medians
$>$
______ perimeter?
Answer
1
Omja Dwivedi
Subject: Maths
, asked on 22/3/18
In triangle ABC we have angle A=100 and angles B=C=40. The side AB is produced to a point D so that B lies between A and D and AD=BC. Find the angle BCD
Answer
1
Omja Dwivedi
Subject: Maths
, asked on 22/3/18
In triangle ABC we have angle A=100 and angles B=C=40. The side AB is produced to a point D so that B lies between A and D and AD=AC. Find angle BCD
Answer
1
Dhrusti Jain
Subject: Maths
, asked on 16/3/18
In the given figure AB = AC . D is point on AC and E on AB such that AD = ED = EC = BC . prove that angle A : angle B = 1 : 3
Answer
1
Devesh Kumar Biswal
Subject: Maths
, asked on 16/3/18
Please solve question 3
Q.3. If
$2{\mathrm{sin}}^{2}\theta =\sqrt{3}$
, find the value of
$\theta $
.
Answer
1
Aditya
Subject: Maths
, asked on 14/3/18
the average of two non-congruent angles of an isosceles triangle is 65. find the value of these two non-congruent angles?
Answer
1
Anushka Mishra
Subject: Maths
, asked on 10/3/18
Diagonal AC and BD of a quadrilateral ABCD intersect each other at O. Prove that
1) AB+BC+CD+DA>AC+BD
2)AB+BC+CD+DA>2(AC+BD)
Answer
2
Keshav
Subject: Maths
, asked on 10/3/18
99% fail to answer this one
Answer
1
Sneha Maity
Subject: Maths
, asked on 7/3/18
Pls give answer quickly..
Prove that angle bisectors of a paralleogram form a rectangle.
Answer
2
Prithika
Subject: Maths
, asked on 6/3/18
Pl solve q15
Q.15. A pole of height 14 m casts a shadow 10 m long on the ground. At the same time a tower casts the shadow 70 m long on the ground. Find the height of the tower.
Answer
1
Prithika
Subject: Maths
, asked on 6/3/18
53) In
$\u25b3ABC$
, AC = BC, S is the circum - centre and
$\angle ASB=150\xb0.Find\angle CAB.$
$\left(a\right)55\frac{1}{2}\xb0\phantom{\rule{0ex}{0ex}}\left(b\right)52\frac{1}{2}\xb0\phantom{\rule{0ex}{0ex}}\left(c\right)62\frac{1}{2}\xb0\phantom{\rule{0ex}{0ex}}\left(d\right)35\frac{1}{2}\xb0$
Answer
1
Prithika
Subject: Maths
, asked on 6/3/18
Pl ans q51
Q.51. The sides of a triangle are 2006 cm, 6002 cm and m cm, where m is a positive integer. Find the number of such possible triangles.
(a) 1
(b) 2006
(c) 3996
(d) 4011
Answer
2
Arish Husain
Subject: Maths
, asked on 6/3/18
Solve it quickly
Q.30. In the given figure,
$\angle B<\angle Aand\angle C\angle D$
. Show that AD < BC.
Answer
1
1
2
3
4
5
Next
What are you looking for?

4. In the adjoining figure, AD is median of $\u25b3$ABC, MB and CN are perpendiculars drawn from B and C respectively on AD and AD produced. Prove that BM =CN.

Hint . $\u25b3\mathrm{BMD}\cong \u25b3\mathrm{CND}\mathrm{by}\mathrm{AAS}.$

Q.3. If $2{\mathrm{sin}}^{2}\theta =\sqrt{3}$, find the value of $\theta $.

1) AB+BC+CD+DA>AC+BD

2)AB+BC+CD+DA>2(AC+BD)

Prove that angle bisectors of a paralleogram form a rectangle.

Q.15. A pole of height 14 m casts a shadow 10 m long on the ground. At the same time a tower casts the shadow 70 m long on the ground. Find the height of the tower.

$\left(a\right)55\frac{1}{2}\xb0\phantom{\rule{0ex}{0ex}}\left(b\right)52\frac{1}{2}\xb0\phantom{\rule{0ex}{0ex}}\left(c\right)62\frac{1}{2}\xb0\phantom{\rule{0ex}{0ex}}\left(d\right)35\frac{1}{2}\xb0$

Q.51. The sides of a triangle are 2006 cm, 6002 cm and m cm, where m is a positive integer. Find the number of such possible triangles.

(a) 1

(b) 2006

(c) 3996

(d) 4011

Q.30. In the given figure, $\angle B<\angle Aand\angle C\angle D$. Show that AD < BC.