A degree is a unit of measuring angles. A 3° angle is a small angle. A full circle has 360°, and a right angle has 90°, so 3° is 1/120th of a full circle, or 1/30th of a right angle.
This is hard to visualize, so think of this. The sine of 3° is approx 0.05, so in a right triangle for every foot of hypotenuse, there is a rise of 0.05 feet. To visualize the angle, take a 10 foot board, put one end on the ground, and raise the other end 0.5 foot (6 inches) off the ground, and the board will make almost a 3° angle with the ground.
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No, because the angles of a triangle have to total 180 degrees and if there are three angles in a triangle, 90 * 3 cannot equal 180. To have three equal sides, the angles must equal 60 degrees 60 * 3 = 180.
They are both triangles that have interior degrees of 180 and exterior degrees of 360. An equilateral has three equal sides and three equal angles. An isosceles has two equal sides and two equal angles.
three each of 60 degrees
With quadrilaterals, if there are three equal angles, then we know that the fourth angle must be equal, so the quadrilateral is a rectangle. * * * * * That is absolute rubbish. You can have a quadrilateral with three angles of 70 degrees and the fourth of 150 degrees. There is no name for such quadrilaterals and the only thing that can be said about them is that they are irregular.
Form an equilateral triangle - this is where all three sides are of equal length and all three internal angles are equal. well its less that 90 degrees so its an acute angle