4th vertex

Geometry Level 1

Three vertices of a rectangle are ( − 2 , 0 ) , ( 2 , 0 ) (-2, 0), (2, 0) and ( 2 , 1 ) (2,1) .

Find the fourth vertex of this rectangle.

( − 2 , 1 ) (-2, 1) ( 1 , 2 ) (1, 2) ( − 2 , − 1 ) (-2, -1) ( 2 , 1 ) (2, 1)

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Ojasee Duble by Ojasee Duble , 19, India

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1 solution

Bayu Prahara
Dec 6, 2016

We can use reflection from transformation of geometry. (-2,0) is reflected from (2,0). So, (2,1) can be reflecting to (-2,1).

The answer is (-2,1)

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