Question

check weather (5,-2) (6,4)and (7,-2 ) are the vertex of an isosceles triangle

Answer 1

Answer:

11th

Maths

Straight Lines

Introduction

Check whether (5, - 2) , (6...

MATHS

Check whether (5,−2), (6,4) and (7,−2) are the vertices of an isosceles triangles.

EASY

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ANSWER

Let ABC be the triangle A(5,−2),B(6,4),C(7,−2)

By distance formula

AB=

(5−6)

2

+(−2−4)

2

=

(−1)

2

+(−6)

2

37

BC=

(6−7)

2

+(4−(−2)

2

=

(−1)

2

+(6)

2

=

37

CA=

(7−5)

2

+(−2−(−2))

2

=

(2)

2

+0

=2

Since AB=BC=

37

Hence (5,−2),(6,4) & (7,−2) are vertices of isosceles triangle.

Step-by-step explanation:

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Answer 2

Answer:

They are vertices of isosceles triangle.

Step-by-step explanation:

Please refer to the attachment provided above..

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