The base of vertices of an isosceles tri...

The base of vertices of an isosceles triangle PQR are Q 1,3 and R -2,7.The vertex p can be :

A

1,6

B

`1/2 , 5`

C

`5/6 , 6`

D

`none of these

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GGSIPU MATHEMATICS 2005
IPUCET PREVIOUS YEAR PAPERS|Exercise MCQ|52 Videos

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The co ordinates of the base BC of an isosceles triangle are B(1,3) and C(-2,7) then the co-ordinates of its vertex A are

A

`(5/6,6)`

B

`(-7,1/8)`

C

`(1,6)`

D

`(-1/2,5)`

The coordinates of the vertices P,Q and R of a triangle PQR are (1,-1,1), (3,-2,2) and (0,2,6) respectively. If angleRQP=theta , then what is angle PRQ equal to ?

A

`30^@=theta`

B

`45^@+theta`

C

`60^@-theta`

D

`90^@-theta`

The coordinates of the vertices P,Q and R of a triangle PQR are (1,-1,1),(3,-2,2) and (0,2,6) respectively. If angleRQP=theta , then what is anglePRQ equal to ?

A

`30^@+theta`

B

`45^@-theta`

C

`60^@-theta`

D

`90^@-theta`

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