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If ABCD is a rectangle, and m_ADB = 55°, what is the value of x?2С55ABA. 80Ο ΟB. 90C. 40Ο Ο ΟD. 70E. 110F. Cannot be determined

If ABCD Is A Rectangle And MADB 55 What Is The Value Of X2С55ABA 80Ο ΟB 90C 40Ο Ο ΟD 70E 110F Cannot Be Determined class=

Answer :

ANSWER

D. 70 degrees

EXPLANATION

We have that

From the rectangle, we see that

So:

We have to name an angle in the diagram:

So, we see that AED is a triangle formed by the diagonals.

In AED, we have This means that:

=> 55 + 55 +

It is noteworthy that

Vertically opposite angles are equal.

This means that:

Option D is the answer.

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