Can someone me? the measure of the reflex angle in rhombus abcd is 260°. find x.

Imagine that you kept drawing the circle around to include the entire angle. We know that the measure of that angle would be 360°, because there are 360° in a circle.

But instead, we stopped at 260°. We have x° left to get to 360°.

That's 360°-x°=260°.

x=100, so the answer is E

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