20:41

PQ is a chord of length 8 cm of a circle of radius 5 cm. The tangents at P and Q intersect at a ...

13:51

Two tangents TP and TQ are drawn to a circle with Centre O from an external point T. Prove that...

06:10

The lengths of tangents drawn from an external point to a circle are equal I Theorem 10.2 I

07:16

Prove that in two concentric circles, the chord of the larger circle, which touches the smaller...

14:54

The tangent at any point of a circle is perpendicular to the radius through the point of contact.

10:39

From a point on the ground, the angles of elevation of the bottom and the top of a transmission ...

13:54

A 1.5 m tall boy is standing at some distance from a 30 m tall building. The angle of elevation...

09:22

A tree breaks due to storm and the broken part bends so that the top of the tree touches the grou...

09:59

A statue1.6 m tall stands on the top of a pedestal. From a point on the ground, the angle of ...

08:48

The angle of elevation of the top of a building from the foot of the tower is 30° and the angle...

10:28

Two poles of equal heights are standing opposite each other on either side of the road, which is...

09:09

From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 60° and..

09:56

As observed from the top of a 75 m high lighthouse from the sea-level, the angles of depression of..

10:59

A TV tower stands vertically on a bank of a canal. From a point on the other bank directly opposi...

15:32

A 1.2 m tall girl spots a balloon moving with the wind in a horizontal line at a height of 88.2 m...

18:02

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes....

11:17

If AD and PM are medians of triangles ABC & PQR respectively where ΔABC~ΔPQR prove that 𝑨𝑩/𝑷𝑸=𝑨𝑫/𝑷𝑴

00:58

@Vikas_Singh4u Like share & subscribe

08:32

A vertical pole of length 6 m casts a shadow 4 m long on the ground and at the same time a tower...

23:03

Sides AB and AC and median AD of a triangle ABC are respectively proportional to sides PQ and PR ...

11:23

D is a point on the side BC of a Δ ABC such that angle ADC = angle BAC. Show that CA2 = CB.CD

10:41

Sides AB and BC and median AD of a triangle ABC are respectively proportional to sides PQ and QR...

06:16

In Fig. 6.40, E is a point on side CB produced of an isosceles triangle ABC with AB = AC. If AD ...

16:40

CD and GH are respectively the bisectors of ΔACB and Δ EGF such that D and H lie on sides AB & FE...

10:10

In Fig.6.38, altitudes AD and CE of ΔABC intersect each other at point P. Show that ΔAEP ~ ΔCDP...

09:46

E is a point on the side AD produced of a llgm ABCD and BE intersects CD at F. Show that 𝚫ABE ~ 𝚫CFB

09:28

In Fig. 6.37, if 𝚫 ABE ≅ ACD, show that 𝚫 ADE ~ 𝚫 ABC.

08:45

In Fig 6.36, QR/QS = QT/PR and ∟1 = ∟2 .Show that ΔPQS ~ ΔTQR. #similarityoftriangles

17:33

In Fig.6.33, CM and RN are respectively the medians of Δ ABC and Δ PQR. If Δ ABC ~ ΔPQR, prove that:

13:32

A girl of height 90 cm is walking away from the base of a lamp-post at a speed of 1.2 m/s. If the...

16:22

What are Like and Unlike Fractions

01:14:48

CLASS 4 COMMON FRACTIONS I EASY EXPLANATION I FUN MATHS I

10:09

An observer 1.5 m tall is 28.5 m away from a chimney. The angle of elevation of the top of the chi..

11:18

The diagonals of a quadrilateral ABCD intersect each other at the point O such that AO/BO = CO/DO...

10:04

ABCD is a trapezium in which AB || DC and its diagonals intersect each other at the point O. Show...

06:08

Using Theorem 6.1, prove that a line drawn through the mid-point of one side of a triangle parall...

08:01

A, B and C are points on OP, OQ & OR respectively such that AB || PQ & AC || PR. Show that BC || QR.

08:15

If DE || OQ and DF || OR. Show that EF || QR. II EXERCISE 6.2 II CHAPTER 6 II CLASS X II TRIANGLES

08:12

If DE || AC and DF || AE, Prove that, prove that BF/FE=BE/EC. II NCERT TEXTBOOK EXCERCISE 6.2 II

10:30

If LM || CB and LN || CD, prove that AM/AB=AN/AD I CHAPTER 6 I EXERCISE 6.2 I NCERT TEXTBOOK I CBSE

06:03

PS/SQ =PT/TR and ∟PST = ∟PRQ. Prove that PQR is an isosceles triangle.

11:05

ABCD is a trapezium with AB || DC. E and F are points on non-parallel sides AD and BC respectively..

08:10

If a line intersects sides AB and AC of a 𝚫 ABC at D and E and is parallel to BC, prove 𝐀𝐃/𝐀𝐁=𝐀𝐄/𝐀𝐂

12:31

If a line divides any two sides of a triangle in the same ratio, then the line is parallel to the...

04:39

Two APs have the same common difference. The difference between their 100th terms is100, what is ...

14:38

Prove Basic Proportionality Theorem - If a line is drawn parallel to one side of a triangle to ...

02:37

In the given figure, graphs of two linear equations are shown. The pair of these linear equation is

02:51

The centre of a circle is at (2,0). If one end of a diameter is at ( 6,0 ), then the other end is...

04:48

Two dice are rolled together. The probability of getting sum of numbers on the two dice as 2,3...

02:58

The volume of the largest right circular cone that can be carved out from a solid cube of edge 2 cm

02:50

A solid sphere is cut into two hemispheres. The ratio of the surface area of sphere to that of two..

01:27

If cos(alpha + beta) = 0, then the value of cos[ (alpha + beta)/2] is equal to :

02:56

If the distance between the points (3,-5) and (x,-5) is 15 units, then the values of x are :

05:20

The zeroes of a polynomial x2+px+q are twice the zeroes of the polynomial 4x2-5x-6, the value of p

04:11

For some data x1, x2, .....xn with respective frequencies f1, f2, f3,....fn , then the value of ...

03:11

From the data 1,4,7,9,16,21,25 if all the even numbers are removed, then the probability of getti...

02:10

If secθ−tanθ=m, then the value of sec θ+𝑡𝑎𝑛θ is :

03:46

AD is a median of Δ ABC with vertices A(5,-6), B(6,4) and C(0,0). Length AD is equal to...

03:47

If two positive integers p and q can be expressed as p = 18a2b4 and q = 20a3b2 , where a and b...

04:47

In an AP, if the first term a = 7, nth term an = 84 and the sum of first n terms Sn = 2093/2,then...