Question

find a common difference of the term of ap (x-y),(x plus y) (x plus 3y)...
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Answer 1

Step-by-step explanation:

23, 2016

I thought the OA would be A

can anyone explain how it is C?

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Kudos

14101992 Jun 23, 2016

First let us look at statement 1.

When AE=EC, there can be many quadrilaterals which are not parallelograms. For ex. a quadrilateral with <ABC not equal to <ADC.

So, A and D out.

Statement 2:

As <ABC = <ADC, we can draw a quadrilateral which doesn't have AE=EC. In