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- Acute: Greater than 0° and less than 90°.
- Right angle: exactly 90°
- Obtuse: greater than 90°, less than 180°
- Straight angle: exactly 180°. This is really just a straight line.
- Reflex angle: greater than 180° ; less than 360°. A full turn is 360°
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How many angles does an octagon have?
An octagon has 8 angles. An octagon has the same number of angles as it does sides. Eight. All of the angles measure 135 degrees, and all the angles together are 1080 degrees.
What is the sum of angles in a six sided shape?
The sum of all the exterior angles is 360 degrees. The sum of all the interior angles is 720 degrees.
What are the angles in a tetrahedron?
All the angles in a tetrahedron are 60 degrees.
Is every equilateral triangle acute explain?
Yes, because all angles are 60 degrees, and all sides are the same, therfore all angles are 60 degrees, which are acute angles.
How many sides does a polygon have with angles of 12 degrees?
Any polygon can have two interior angles of 12 degrees. No polygon can have all its interior angles of 12 degrees.
What is the name of a triange with all angles that measure 60 degrees?
Equilateral
What is the name of a triangle that has two right angles?
It is impossible to have a triangle with two right angles. This is because a triangle=180 degrees. Two right angles would make up all of the 180 degrees.
How do you name pependicular angles?
right angles or 90 degrees
Are all angles acute?
No, angles smaller than 90 degrees are acute, angles bigger than 90 degrees are obtuse, angles that are 90 degrees exactly are right-angles, and angles larger than 180 degrees are reflex angles.
Given two parallel lines with a transversal if one of the angles measures 50 degrees what are the measures of all the other angles?
All acute angles measure 50 degrees. All obtuse angles are supplementary to the acute angles, so they measure 130 degrees.
What is the name of 2 angles that equal 180 degrees?
Supplementary Angles
What is the name of 2 angles that equal 90 degrees?
Complementary angles
Do all right angles measure 90 degrees?
Yes. All 90-degree angles are "right angles", and all right angles are 90 degrees. Anything else is not a right angle.
How many angles does an octagon have?
An octagon has 8 angles. An octagon has the same number of angles as it does sides. Eight. All of the angles measure 135 degrees, and all the angles together are 1080 degrees.
What is the sum of angles in a six sided shape?
The sum of all the exterior angles is 360 degrees. The sum of all the interior angles is 720 degrees.
How many degrees does a rectangle to add to?
all the angles are right angles (90 degrees) and add to 360 degrees
What are the angles in a tetrahedron?
All the angles in a tetrahedron are 60 degrees.
