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There can be 10 obtuse angles. If there are no reflex angles there can by up to three acute angles (I think).

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Q: How many obtuse and acute angles in a decagon?
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How many Acute angles does a decagon have?

It depends on whether or not the decagon is a perfect decagon or a complex decagon. However, a perfect decagon has no acute angles.


How many right acute and obtuse angles does a trapezoid have?

It can have 0 or 2 right angles, 1 or 2 acute or obtuse angles.


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One and the two others are acute angles


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A trapezium has 2 obtuse and 2 acute angles.


How many acute angles in a decagon?

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