Question

the base qr of an equilateral triangle pqr with side 10cm lies along x axis such that midpoint of the base is the origin . then the


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Answer 1

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Let (x,0) be the coordinates of R. Then

0 = -4+x/2

x = 4

Thus, the coordinates of R are (4,0).

Here, PQ = QR = PR and the coordinates of P lies on y axis . Let the coordinates of P be (0, y) Then, in the picture above

Answer 2

Given : the base qr of an equilateral triangle pqr with side 10 cm lies along x axis such that midpoint of the base is the origin .  

To Find : Coordinate of q and r

https://brainly.in/question/48022974  complete Question

Solution:

qr  lies on x axis

Hence q and  r  coordinates will be of form ( x , 0)

mid point is at origin  Hence

Coordinates of q and r  will be

( h, 0)  and ( -h , 0)  

Distance = |2h |

| 2h | = 10

=> h =  ± 5

Hence coordinates of q and  r will be (  5, 0)  and ( - 5 , 0)

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