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What different triangles can you draw at least one angle of 60 degrees?
Wiki User
∙ 12y ago
Infinitely many.
Wiki User
∙ 12y ago
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How many different isosceles triangles have at least one angle that measures exactly 20?
If one angle measures 20 degrees then the other two angles must each measure 80 degrees and many other similar or congruent isosceles triangles can have the same interior angles.
Do all triangles have an acute angle?
All triangles have at least 2 acute angles. All 3 angles of a triangle will equal 180 degrees.
Do all triangles have at least 1 right angle?
only right tringles or HL triangles have at least 1 right angle
What kind of triangles are there?
There are many kind of triangles. These are the following: Acute, Right, and Obtuse are actual angles. Scalene, Isosceles, and Equilateral are all actual triangles. But, you can have any triangle with any angle. Like a scalene triangle with a Right angle, or an Isosceles triangle with an Obtuse angle.Acute is a triangle with an angle less than 90 degrees. So it is smaller than a Right triangle. To make and Acute triangle, you need at least two Acute angles.Right triangle have at least on right angle. Right angles are angles that re exactly 90 degrees. If you put a cube right where the angle went, both sides would be perfectly straight.Obtuse triangles are triangles with at least one Obtuse angles. They are always bigger than 90 degrees. They are larger than a Right triangle. If you spread your legs apart, you would have an Obtuse angle.Scalene triangles are triangles with all of the sides different lengths. Each side is either longer or shorter, they are never the same.Isosceles triangles are triangles with two sides the same lengths. The other side is either longer or shorter.Equilateral triangles are triangles with ever side the same exact length. They all are exactly the same. If one is different, it's not an Equilateral triangle.
Do all acute triangles have only one acute angle?
No. All triangles MUST have at least two acute angles.
How many different isosceles triangles have at least one angle that measures exactly 20?
If one angle measures 20 degrees then the other two angles must each measure 80 degrees and many other similar or congruent isosceles triangles can have the same interior angles.
Do all triangles have an acute angle?
All triangles have at least 2 acute angles. All 3 angles of a triangle will equal 180 degrees.
What is the angle measures of a right angle?
A right angle is defined as 90 degrees, or pi/2 radians.
Do all triangles have at least 1 right angle?
only right tringles or HL triangles have at least 1 right angle
What kind of triangles are there?
There are many kind of triangles. These are the following: Acute, Right, and Obtuse are actual angles. Scalene, Isosceles, and Equilateral are all actual triangles. But, you can have any triangle with any angle. Like a scalene triangle with a Right angle, or an Isosceles triangle with an Obtuse angle.Acute is a triangle with an angle less than 90 degrees. So it is smaller than a Right triangle. To make and Acute triangle, you need at least two Acute angles.Right triangle have at least on right angle. Right angles are angles that re exactly 90 degrees. If you put a cube right where the angle went, both sides would be perfectly straight.Obtuse triangles are triangles with at least one Obtuse angles. They are always bigger than 90 degrees. They are larger than a Right triangle. If you spread your legs apart, you would have an Obtuse angle.Scalene triangles are triangles with all of the sides different lengths. Each side is either longer or shorter, they are never the same.Isosceles triangles are triangles with two sides the same lengths. The other side is either longer or shorter.Equilateral triangles are triangles with ever side the same exact length. They all are exactly the same. If one is different, it's not an Equilateral triangle.
What is triangle and who many types of triangle?
A triangle is a 2-dimensional closed shape (called a polygon) with 3 sides. The three sides form a closed shape with three interior angles, hence the name "tri-angle." There are three general types of triangles: they are called Acute, Obtuse, and Right Triangles. Acute Triangles contain interior angles that are all less than 90 degrees. Obtuse Triangles contain one (and only one) interior angle that is greater than 90 degrees. Right Triangles contain one (and only one) angle that is exactly 90 degrees. There are also sub-types of triangles; the most common sub-types are Equilateral and Isoscles Triangles. The interior angles of Equilateral Triangles are all 60 degrees. At least two interior angles of Isoscles Triangles are equal to each other.
What triangle has at least one obtuse angle?
-- If a triangle has an obtuse angle in it, then it's called an obtuse triangle. -- No triangle can have more than one obtuse angle in it . -- Right triangles, acute triangles, and equilateral triangles don't have any obtuse angles in them.
Do all acute triangles have only one acute angle?
No. All triangles MUST have at least two acute angles.
Is equilateral triangles the same as an acute angle?
yes in fact every triangle has at least one acute angle
How many degrees is an interior angle?
it has to be at least 60 degrees
What is the least number of degrees in an obtuse angle?
91 degrees
What are at least facts regarding all the different types of triangles?
1 All triangles are 2 dimensional 3 sided polygons 2 All triangles have 3 interior angles that add up to 180 degrees 3 All triangles have 3 exterior angles that add up to 360 degrees 4 All triangles have a perimeter which is the sum of their sides 5 All triangles have an area which is 0.5*base*perpendicuar height 6 All triangles will tessellate 7 All other polygons are made up of triangles 8 All triangles have no diagonals 9 All triangles are classified as follows:- 10 Right angle: which has a right angle and 2 acute angles 11 Obtuse: which has an obtuse angle and 2 different acute angles 12 Scalene: which has 3 different acute angles 13 Isosceles: which has 2 equal base angles and an apex angle 14 Equilateral: which has 3 equal 60 degree angles 15 An equilateral has 3 lines of symmetry 16 An isosceles has only 1 line of symmetry 17 The rest have no lines of symmetry unless it is a 90 45 45 triangle 18 Trigonometry which means 3 measurements is based on triangles 19 Pythagoras' theorem takes care of right angle triangles 20 Triangles can be constructed into pyramids
