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May 05

A car travels a distance 100 metre with a constant acceleration and average velocity of 20 metre per second | The final velocity required by the car is 25 metre per second | Find the initial velocity and acceleration of car | Sum Motion in one Dimension – Physics class 9

Problem: A car travels a distance 100 metre with a constant acceleration and average velocity of 20 metre per second. The final velocity required by the car is 25 metre per second. Find 1) the initial velocity and 2) Read more

Apr 29

Geometry Sum | ABCD is a square. Prove in each case ∆APD ≅ ∆BPC | Find Angle DPC Angle PCD and Angle PCD |

ABCD is a square and APB is an equilateral triangle. Prove in each case: 1) &#x2206APD ≅ &#x2206BPC 2) Find the angles of &#x2206DPC Solution : First PartGiven &#x2206ABP = Equilateral triangleR.T.P.1) &#x2206APD ≅ &#x2206BPC 2) Find &#x2220DPC, Read more

Apr 22

Sums of Speed Distance and Time Part 3 | Mathematics Class 8

Three sums of speed distance and time are discussed in the video. The sums are given here. 1. A train 150 m long passes a telegrah post in 15 seconds.Find:a) Speed of the train in km/hr. b) Time Read more

Apr 15

Speed Distance and Time For Class 8 | Part 2 Mathematics | Relative Speed of Boat

In this video sums related to relative speed of boat in standstill water stream and in a water stream having speed in the same direction and also in the opposite direction have been discussed. Watch the video and comment below. Read more

Apr 15

Theorem: Tangent and Radius of a Circle | are Perpendicular to Each Other.

Theorem :Tangent and radius of a circle are perpendicular to each other. Solution : Given: A circle with centre O. AB is the tangent to the circle at point B and OB is the radius of the circle.R.T.P. OB &#x22A5 Read more

Apr 12

Theorem : The Angle in a Semi-Circle is a Right Angle

Theorem: The angle in a semicircle is a right angle Given : A circle with centre 0 with &#x2220A0B at centre and &#x2220ACB at the circumference of the circle . RT.P. : the angle in a semicircle is a right Read more

Apr 08

Theorem : Opposite Angles of a Cyclic Quadrilateral are Supplementary | Class 8

Theorem : Opposite Angles of a Cyclic Quadrilateral are Supplementary. Solution : Given: ABCD is a cyclic quadrilateral.R.T.P.(Require To Prove) 1. &#x2220BAD + &#x2220BCD = 1800 2. &#x2220ABC + &#x2220ADC = 1800 Construction : Join OB and OD Read more

Apr 02

Theorem | the angle subtended by an arc of a circle | at the centre is double the angle subtended by it at | any point on the remaining part of the circle

Theorem : A circle with centre O in which AB subtends &#x2220AOB at centre and angle &#x2220ACB at any point on the remaining part of the circle. R.T.P. – &#x2220AOB = 2 x &#x2220ACB Solution : Construction: Join CO and Read more

Mar 25

Basic of Calender Learning for Grade 2 | Mathematics

The concept of the calender originated from solar year. The earth completes its orbit about the sun in 365 days 5 hr 48 min 46 sec.This is called solar year. Total Number of months in a year = 12Total Number Read more

Mar 22

Unitary Method in Simple words – Learn Maths Basics

Unitary means “of one” . Mathematically it means “1”. To know this in an easy way, I am writing few examples. Question 1: If the cost of one pen is Rs 2 . Find the cost of 25 Pens Question Read more