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Classify the triangle by its angles and by its sides?
All angles equal = all sides equal = equilateral. Two angles equal = two sides equal = isosceles. All angles different = all sides different = scalene. An isosceles or scalene triangle may be right-angled or obtuse-angled if one of its angles is a right angle or obtuse angle (respectively).
Has a rhombus got more than one obtuse angle and has no parallel sides?
A rhombus always has four equal sides and two pairs of parallel sides. It may have either two obtuse angles or no obtuse angles. If it has no obtuse angles, then that particular rhombus also qualifies as a square.
If two angles of a triangle are acute then the third angle .?
... may be acute, right, or obtuse.
Is it possible for an obtuse angle to have a complementary angle?
No. Not unless you allow angles with negative measures (which may be appropriate in some circumstances).
Are all triangles acute?
NO!!! Equilateral ; All angles acute (60 degrees) ; all sides the same length Isosceles ; Two angles are equal, the third angle may be acute or obtuse ; two sides are equal , third side unequal Right- Angles Triangle ; Maybe Isoscles , but MUST have one right angle(90 degrees) Scalene ; All angles are different, may be obtuse ; All sides are different. NB Any angle less than 90 degrees is Acute Any angle greater than 90 degrees but less than 180 degrees is Obtuse Any angle greater than 180 degrees (- 360 degrees) is Reflex.
Does every triangle have to have an obtuse angle?
no Not every triangle has to have one. Some triangles may be acute, meaning that none of their angles are over 90. Some triangles may be right, meaning that there is one right angle. Although some triangles may be obtuse, not all triangles are obtuse.
How many equal sides does an obtuse triangle have?
None normally but if it is in the shape of an isosceles triangle then it will have 2 equal sides.
Is a acute triangle an isosceles?
If it has 2 equal acute angles and 1 obtuse angle then it is an isosceles triangle.
Does a triangle always have 2 acute angles?
It has either 2 or 3, as only one of the three may be either a right angle or an obtuse angle.
What are the types of triangle in geometry?
The 4 types of triangles in Geometry are Isosceles, Equilateral, right angled and Scalene. A Scalene triangle will have no equal sides and no equal angles. An Isosceles triangle will have 2 sides that are of equal length and 2 angles of equal degrees. An Equilateral triangle will have all 3 sides being the same length and all angles will be of the same degrees (60 degrees). A right angled or right triangle has a 90 degree angle.
What is the type of angle a triangle is?
A triangle is not an angle. In fact, every triangle is composed of three angles. One of them but not more may be a right angle, or one of them but not more may be an obtuse angle, but one or more of them must always be acute.
How may obtuse angles in a hexagon?
There are 6 obtuse angles in a regular hexagon.no 4 okay mon
