The equation of the base BC of an equila...

The equation of the base BC of an equilateral `Delta`ABC is x + y = 2 and A is (2, - 1). The length of the side of the triangle is

A

`sqrt2`

B

`(3/2)^(1/2)`

C

`(1/2)^(1/2)`

D

`(2/3)^(1/2)`

Text Solution

Verified by Experts

The correct Answer is:

D

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Knowledge Check

If the equation of the base of an equilateral triangle is x + y = 2 and the vertex is (2, -1), then the length of the side of the triangle is (in unit)

A

`sqrt(2/3)`

B

`sqrt(3/2)`

C

`sqrt(1/2)`

D

`sqrt(5/6)`

In an equilateral Delta ABC if AD_|_BC , then

A

`2AB^2 = 3AD^2`

B

`3AB^2 = 4AD^2`

C

`5AB^2 = 6AD^2`

D

`4AB^2=5AD^2`

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