# What is the value of x in the rhombus below?

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## Question:

What is the value of x in the rhombus below?

Option C

Step-by-step explanation:

we know that

The two diagonals of a rhombus are perpendicular

so

Let

O——> the center of the rhombus

m∠AOB=

Remember that

The sum of the internal angles of a triangle is equal to

therefore

in the triangle AOB

m∠AOB+m∠OAB+m∠OBA=

substitute the values

solve for x

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