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JSC English Dialogue Suggestion
JSC English Dialogue Suggestion

Junior School Certificate (JSC) Examination- 2013 JSC English Dialogue Suggestion Only for Jessore Board Dialogue: 01. Preparation ...

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JSC English Paragraph Suggestion
JSC English Paragraph Suggestion

Junior School Certificate (JSC) Examination- 2013 JSC English Paragraph Suggestion Only for Jessore Board 01. Tree Plantation 02. Y...

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Prove that the square root of 2 is an irrational number
Prove that the square root of 2 is an irrational number

Proposition: √2 is an irrational number. Proof: We Know, 1 < 2 < 4 ∴ √1 < √2 < √4 or, 1 < √2 < 2 Quick navigati...

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Prove that the diameter is the greatest chord of a circle
Prove that the diameter is the greatest chord of a circle

Proposition: Let O be the centre of the circle ABCD. Let AB be the diameter and CD be a chord other than diameter of the circle. It is requ...

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Chords equidistant from the centre of a circle are equal
Chords equidistant from the centre of a circle are equal

Proposition: Let AB and CD be two chords of a circle with centre O. OE and OF are the perpendiculars from O to the chords AB and CD respe...

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Equal chords of a circle are equidistant from the centre.
Equal chords of a circle are equidistant from the centre.

Proposition: Let AB and CD be two equal chords of a circle with centre O. It is to be proved that the chords AB and CD are equidistant from ...

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Two diagonals of a rhombus bisect each other at right angles
Two diagonals of a rhombus bisect each other at right angles

Proposition: Let the diagonals AC and BD of the rhombus ABCD intersect at O. It is required to prove that, (i) ∠AOB = ∠BOC = ∠COD = ∠DOA...

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The diagonals of a parallelogram bisect each other.
The diagonals of a parallelogram bisect each other.

Proposition: Let the diagonals AC and BD of the parallelogram ABCD intersect at O. It is required to prove that AO = CO, BO = DO. ...

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Converse of Pythagoras Theorem
Converse of Pythagoras Theorem

If the square of a side of any triangle is equal to the sum of the squares of other two sides, the angle between the latter two sides is a...

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Pythagoras Theorem
Pythagoras Theorem

In a right-angled triangle the square on the hypotenuse is equal to the sum of the squares on the two other sides. Proposition: Let i...

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Measurement
Measurement

The units of measuring length: N.B: Unit of measurement of length: Metre Relation between British and Metric System: Met...

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Profits : Class Eight Mathematics: Chapter Two : Example 6
Profits : Class Eight Mathematics: Chapter Two : Example 6

Example 6. Profit-principal of some principal becomes Tk. 5500 in 3 years and profit is 8/3 of the principal. What are the principal and ...

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Find the next four consecutive numbers of the following list
Find the next four consecutive numbers of the following list

Class: Eight (VIII) Exercise: 1 (Patterns) 1. a) Find the next four consecutive numbers of the following list: 1, 3, 5, 7, 9, ... .. ...

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A Village Market
A Village Market

A Village Market Introduction; A village market is a public place in a village where people come from different parts of the village to ...

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Tree Plantation
Tree Plantation

Tree Plantation Introduction: Tree is of great importance in human life. Tree can be used in different ways in life. It remains with us a...

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The Value of Time
The Value of Time

The Value of Time Introduction: Time is the most valuable in a man's life. Life is nothing but a periods of time. So to use time pr...

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Basic Rules of Trigonometry
Basic Rules of Trigonometry

The following table shows the conversions for some common angles: Reciprocal Identities: Quotient Identities: Pythagorea...

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Basic Rules of Logarithm
Basic Rules of Logarithm

Basic Rules of Logarithm:  » log a (1) = 0 Because, a 0 = 1 and given that a>0 » log a a = 1 Because, a 1 = a and given that ...

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BD e-Newspapers
BD e-Newspapers

N ewspapers plays a vital role in this modern world. It has removed global distance. The world has become much smaller than before. One par...

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