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What is an angle that is exactly 90 degrees?
geometry
Why is it impossible for a triangle to contain 180 degrees?
The opposite is in fact true; the total internal angles of all triangles is exactly 180 degrees.
Are all isosceles triangles with two 50 degrees and exactly one side of length 10cm congruent?
Yes, they are.
What phrase does SAS represent in geometry?
If any two sides of a triangle are equal in length to two sides of another triangle and the angles between each pair of sides have the same measure, then the two triangles are congruent. AKA the triangles are exactly the same size. (SAS stands for Side Angle Side.)
Which type of arc measures exactly 180?
An arc that measures exactly 180 degrees is called a semicircle. In a circle, a semicircle is formed when an arc spans half of the circumference, which corresponds to 180 degrees. Semicircles are important in geometry and trigonometry, often used in calculations involving angles and circles.
What is an angle that is exactly 90 degrees?
geometry
What is a straight line in geometry?
an angle that measures exactly 180 degrees
When Compare and contrast Euclidean geometry and spherical geometry. Be sure to include these points 1. Describe the role of the Parallel Postulate in spherical geometry. 2. How are triangles differen?
Euclidean geometry is based on flat surfaces and includes the Parallel Postulate, which states that through a point not on a line, exactly one parallel line can be drawn. In contrast, spherical geometry operates on a curved surface where the concept of parallel lines does not exist; any two great circles (the equivalent of straight lines on a sphere) will intersect. In spherical geometry, triangles have angles that sum to more than 180 degrees, unlike in Euclidean geometry, where the angles of a triangle always sum to exactly 180 degrees. Thus, the fundamental properties and the behavior of lines and angles differ significantly between the two geometries.
Can the sum of the angles of a triangle exceed 180 degrees?
In basic Euclidean geometry no, the sum of the angles always equals 180 degrees exactly. In non-Euclidean geometry it can exceed 180 degrees.
Why is it impossible for a triangle to contain 180 degrees?
The opposite is in fact true; the total internal angles of all triangles is exactly 180 degrees.
What are the types of traiangle?
There are several types of triangles classified by their sides and angles. By sides, a triangle can be classified as equilateral (all sides equal), isosceles (two sides equal), or scalene (all sides different). By angles, triangles can be acute (all angles less than 90 degrees), right (one angle exactly 90 degrees), or obtuse (one angle greater than 90 degrees). These classifications help in understanding their properties and applications in geometry.
Are all isosceles triangles with two 50 degrees and exactly one side of length 10cm congruent?
Yes, they are.
What do you look for if you want to classify a triangle?
Classifying triangles is a great skill to know.Acute Triangles: These are triangles with measures lessthan 90 degrees.Obtuse Triangles: Any triangle with measures greater than 90 Degrees.Right Triangle: Any triangle with a Right Angle (exactly 90 degrees)
What type of triangle can have one right angle?
A triangle that has one right angle is called a right triangle. In a right triangle, one of the interior angles measures exactly 90 degrees, while the other two angles are acute, adding up to 90 degrees. Right triangles are fundamental in trigonometry and are often used in various applications, including geometry and physics.
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.
Is there such thing as a right obtuse angle?
No. Right triangles are triangles with one angle exactly 90°, and obtuse angles are triangles with exactly one angle that is greater than, but not equal to, 90°.
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.
