No there isn't
Bum cheeks!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
A trapezium, a kite, a number of miscellaneous quadrilaterals.
A right angle triangle has one 90 degree angle and two acute angles
yes. to be and acute angle, all angles must be acute. Obtuse angles only one angle has to be obtuse. Right angles only need one too. Acute has to have every angle to be acute, if one angle is obtuse or right, it's automatically no an acute Angle anymore.
an angle with a acute and right angle
Four SIdes
No there isn't
boomerang
a chevron by . ekam
Bum cheeks!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
A trapezium, a kite, a number of miscellaneous quadrilaterals.
An acute angle has one angle.
A right angle triangle has one 90 degree angle and two acute angles
yes. to be and acute angle, all angles must be acute. Obtuse angles only one angle has to be obtuse. Right angles only need one too. Acute has to have every angle to be acute, if one angle is obtuse or right, it's automatically no an acute Angle anymore.
What about the other angle(s). You need at least 3 sides and 3 angles to make a closed figure.
arrowhead :)