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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 perpendicular bisector of a triangle always passes through the opposite vertex?
No, the perpendicular bisector of a side of a triangle does not necessarily pass through the opposite vertex. The perpendicular bisector is a line that is perpendicular to a segment at its midpoint, and it may intersect the interior or exterior of the triangle, depending on its shape. In fact, the only time a perpendicular bisector passes through the opposite vertex is in the case of an isosceles triangle, where the two sides are equal, and their perpendicular bisectors coincide with the altitude.
What are perpendicular and parallel lines on a polygon?
A polygon need not have ANY perpendicular or parallel lines. For example, consider an equilateral triangle. It can happen that two sides of a polygon, extended if necessary, meet at a point where they form a 90 degree angle. Those two lines are perpendicular. There may be pairs of lines such that, no matter how far you extend them in either direction, they will never meet. Such lines are parallel. A triangle cannot have parallel lines but it can have perpendicular lines. Any polygon of 4 or more sides can have sides that are perpendicular or parallel (or some of each).
A scalene triangle may be isosceles?
false
What are two other names for an isosceles triangle?
Two other names for an isosceles triangle are an "isosceles triangle" itself and a "symmetric triangle," as it has two equal sides and angles, creating symmetry. Additionally, some may refer to it simply as a "two-sided triangle" to emphasize its equal-length sides. However, the term "isosceles" is the most commonly used designation.
Is triangle a symmetry?
Only if its in the form of an equilateral triangle or a isosceles triangle will it have lines of symmetry.
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 perpendicular bisector of a triangle always passes through the opposite vertex?
No, the perpendicular bisector of a side of a triangle does not necessarily pass through the opposite vertex. The perpendicular bisector is a line that is perpendicular to a segment at its midpoint, and it may intersect the interior or exterior of the triangle, depending on its shape. In fact, the only time a perpendicular bisector passes through the opposite vertex is in the case of an isosceles triangle, where the two sides are equal, and their perpendicular bisectors coincide with the altitude.
What are perpendicular and parallel lines on a polygon?
A polygon need not have ANY perpendicular or parallel lines. For example, consider an equilateral triangle. It can happen that two sides of a polygon, extended if necessary, meet at a point where they form a 90 degree angle. Those two lines are perpendicular. There may be pairs of lines such that, no matter how far you extend them in either direction, they will never meet. Such lines are parallel. A triangle cannot have parallel lines but it can have perpendicular lines. Any polygon of 4 or more sides can have sides that are perpendicular or parallel (or some of each).
Does an isosceles triangle have a right angle in it?
An isosceles triangle may have a right angle, but a right angle is not a requirement of all isosceles triangles.
Is an isosceles triangle is a quadrilatearal?
Oh heavens no. A QUADrilateral means that it has 4 sides and the definition of a triangle is three sides. An isosceles triangle is specifically a triangle with two sides of the same length and one with a different length. You may be confused and wondering if a triangle is a polygon and yes, they are. A polygon is any shape with straight lines that don't intersect.
A scalene triangle may be isosceles?
false
How many parallel lines and perpendicular does a trazioud have?
A trapezoid has 2 parallel lines. It may or may not have perpendicular lines.
Are intersecting lines perpendicular or not perpendicular?
Intersecting lines may or may not be perpendicular. If the angle of intersection between two intersecting lines is 90 degrees, then the two lines are perpendicular. Otherwise, the lines are not perpendicular. For example: A | | | B ----|----- | | Here, the lines A and B are intersecting. The angle between A and B is 90 degrees. Therefore, line A and line B are perpendicular to each other.
What are two other names for an isosceles triangle?
Two other names for an isosceles triangle are an "isosceles triangle" itself and a "symmetric triangle," as it has two equal sides and angles, creating symmetry. Additionally, some may refer to it simply as a "two-sided triangle" to emphasize its equal-length sides. However, the term "isosceles" is the most commonly used designation.
How do you use the word perpendicular lines in a sentence?
Perpendicular lines may form a "tee" or a "cross"
Why is it an isosceles triangle?
When a triangle has 2 sides that are equal in length it is isosceles from Latin and Greek words. Isosceles may also be a mathematical geometric shape with at least 2 sides having the same length.
