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Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

What do you mean by projection rule?

Ankit Pushp

JEE/Board Maths Tutor

Projection Formula gives the relation between angles and sides of a triangle. We can find the length...

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Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

What do you mean by Napier s Analogy?

Ankit Pushp

JEE/Board Maths Tutor

Definition of Napier's analogies: Four formulas giving the tangent of half the sum or difference of two...

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Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

What is the trigonometrical formula of Sin A / 2 for half angle?

Ankit Pushp

JEE/Board Maths Tutor

2sin(A/4).cos(A/4).

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Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

What do you mean by escribed circle?

Ankit Pushp

JEE/Board Maths Tutor

Define escribed circle: A circle outside of a triangle that is tangent to one of its sides and also to...

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Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

What is the process for measuring radius of the inscribed and circumscribed circles of regular polygon?

Ankit Pushp

JEE/Board Maths Tutor

Dist. of centre from vertex will give circum radius. perpendicular dist. of centre from side will give inradius.

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Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

Name some properties of triangle?

Ankit Pushp

JEE/Board Maths Tutor

These are some well known properties of all triangles. See the section below for a complete list. The...

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Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

Define ptolemy s theorem?

Ankit Pushp

JEE/Board Maths Tutor

In Euclidean geometry, Ptolemy's theorem is a relation between the four sides and two diagonals of a...

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Answered on 08/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

What is the difference between angle of elevation and angle of depression?

Prassan Shah

Maths expert

Angle of elevation is used when eye is observing any object above it and angle of depression is used...

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Answered on 09/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

What is the formula for measuring height of a triangle?

Ankit Pushp

JEE/Board Maths Tutor

The height of a triangle can be found if you have an angles and a side, if the angle is between the base...

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Answered on 07/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Triangles

What is the formula for measuring distance from height to hypotenuse of a right triangle?

Veeranna

Math Magician

Ac2=ab2+bc2.

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