Maths-
General
Easy
Question
Hint:
Hint :- use pythagoras theorem in triangle ABD and ABC
We get AC2 and AD2 subtract them and substitute BC = 2BD
In the equation to get the result.
The correct answer is: Hence proved
Aim :- Prove that ![A C squared equals A D squared plus 3 C D squared](data:image/png;base64,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)
Explanation(proof ) :-
Applying pythagoras theorem in triangle ABC,we get
—- Eq1
Applying pythagoras theorem in triangle ABD ,we get
— Eq2
As AD is median , D is mid point then BC = 2BD
![](data:image/png;base64,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)
Subtract Eq1 - Eq2
We get ,![A C squared minus A D squared equals A B squared plus B C squared minus open parentheses A B squared plus B D squared close parentheses](data:image/png;base64,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)
![A C squared minus A D squared equals B C squared minus B D squared text substitute end text BC equals 2 BD](data:image/png;base64,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)
![A C squared minus A D squared equals 4 B D squared minus B D squared](data:image/png;base64,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)
As D is mid point BD = CD ,
substitute BD = CD in the above equation
![A C squared minus A D squared equals 3 C D squared](data:image/png;base64,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)
∴![A C squared equals A D squared plus 3 C D squared](data:image/png;base64,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)
Hence proved
Related Questions to study
Maths-
The Quadrilateral PQRS has angles at S,Q right angles and the diagonals PR, QS are perpendicular. Prove that SR = QR.
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)
The Quadrilateral PQRS has angles at S,Q right angles and the diagonals PR, QS are perpendicular. Prove that SR = QR.
![](data:image/png;base64,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)
Maths-General
Maths-
P and Q are points on the sides CA and CB respectively of a
right angled at c. Prove that ![AQ squared plus BP squared equals](data:image/png;base64,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)
![A B squared plus P Q squared](data:image/png;base64,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)
P and Q are points on the sides CA and CB respectively of a
right angled at c. Prove that ![AQ squared plus BP squared equals](data:image/png;base64,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)
![A B squared plus P Q squared](data:image/png;base64,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)
Maths-General
Maths-
In △ABC, ∠B=90∘ and is the mid point of BC. Prove that ![A C squared minus A D squared equals 3 B D squared](data:image/png;base64,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)
In △ABC, ∠B=90∘ and is the mid point of BC. Prove that ![A C squared minus A D squared equals 3 B D squared](data:image/png;base64,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)
Maths-General
Maths-
Maths-General
Maths-
The perpendicular AD on the base BC of Triangle ABC intersects BC in D such that BD = 3CD. Prove that
![2 A B squared equals 2 A C squared plus B C squared](data:image/png;base64,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)
The perpendicular AD on the base BC of Triangle ABC intersects BC in D such that BD = 3CD. Prove that
![2 A B squared equals 2 A C squared plus B C squared](data:image/png;base64,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)
Maths-General
Maths-
In an equilateral
the side BC is trisected at D . Prove that ![9 A D squared equals 7 A B squared](data:image/png;base64,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)
.
In an equilateral
the side BC is trisected at D . Prove that ![9 A D squared equals 7 A B squared](data:image/png;base64,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)
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Maths-General
Maths-
![](data:image/png;base64,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)
ABC and DBC are two isosceles triangles on the same base BC. Show
that ![straight angle ABD equals straight angle ACD](data:image/png;base64,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)
![](data:image/png;base64,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)
ABC and DBC are two isosceles triangles on the same base BC. Show
that ![straight angle ABD equals straight angle ACD](data:image/png;base64,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)
Maths-General
Maths-
PQ and RS are respectively the smallest and longest sides of a quadrilateral PQRS. Show that ∠ P > ∠ R
PQ and RS are respectively the smallest and longest sides of a quadrilateral PQRS. Show that ∠ P > ∠ R
Maths-General
Maths-
Classify whether the following Surd is rational or irrational , justify. 3√24− 5√5
Classify whether the following Surd is rational or irrational , justify. 3√24− 5√5
Maths-General
Maths-
In △ABC, AD and are the bisectors of ∠A and ∠C respectively. AD and CE intersect at . If ∠ABC = 90^∘, then find ∠AOC.
In △ABC, AD and are the bisectors of ∠A and ∠C respectively. AD and CE intersect at . If ∠ABC = 90^∘, then find ∠AOC.
Maths-General
Maths-
Maths-General
Maths-
Classify whether the following Surd is rational or irrational , justify 4√5+ 9
Classify whether the following Surd is rational or irrational , justify 4√5+ 9
Maths-General
Maths-
PQR is a triangle in which PQ=PR.S is any point on the side PQ. Through S, a line is drawn parallel to QR intersecting PR at T. Prove that PS = PT.
PQR is a triangle in which PQ=PR.S is any point on the side PQ. Through S, a line is drawn parallel to QR intersecting PR at T. Prove that PS = PT.
Maths-General
Maths-
Maths-General
Maths-
Classify whether the following Surd is rational or irrational , justify 8-√48
Classify whether the following Surd is rational or irrational , justify 8-√48
Maths-General