outside the triangle A)I only B)I or II only C)III only D)I, II, or III PLEASE HELP ME ASAP!!!! In a scalene triangle, none of the sides are the same length. isosceles. Two rectangles are similar. Sometimes. Still have questions? 1. 2. Find the equation of the line perpendicular to y = 3x + 4 with an x-intercept numerically equal to its slope.? When you draw the perpendicular bisectors of a triangle it creates the point of concurrency called the _____. 3. Never. Let's call the angles x: That means that we can only have a right triangle, that also is a isosceles triangle, when the degrees are 45, 45 and 90. Which statement explains whether Zoe is correct or not? convex. Expert Solution. Two rhombuses 7. "An equilateral triangle is also isosceles. In an equiangular triangle, all the angles are equal—each one measures 60 degrees.An equiangular triangle is a kind of acute triangle, and is always equilateral.In an acute triangle, all angles are less than right angles—each one is less than 90 degrees.An acute triangle may be equilateral, isosceles… A triangle whose all the three sides are of equal length is called an equilateral triangle. So a right triangle is NEVER an equilateral triangle. Biden says no. A square is _____ a rectangle. So to summarize a right-angled triangle is sometimes isosceles on the condition that one of its angles (apart from the right-angle) is 45deg ( because then the other will also be 45deg) Good luck! In an isosceles triangle, two sides are the same length. An equilateral triangle has 3 equal sides while an isosceles triangle has 2. An isosceles triangle therefore has both two equal sides and two equal angles. An equilateral triangle is _ALWAYS____ an isosceles triangle. Base angles of an isosceles triangle are congruent. An equilateral triangle is never an isosceles triangle. Zoe is not correct because equilateral triangles are acute triangles with three sides of equal length. Difference between velocity and a vector? Two isosceles trapezoids 3. As you can see, the matter hinges on whether an isosceles triangle has EXACTLY ONLY two sides equal, or whether it may have its third side equal also. To qualify as an equilateral, you must have three sides equal. We know that it has two sides equal. Another special case of an isosceles triangle is the isosceles right triangle. In geometry, an isosceles triangle is a triangle that has two sides of equal length. Q. Please update your bookmarks accordingly. An isosceles triangle is a triangle with (at least) two equal sides. A triangle has 3 sides and 3 angles. An isosceles triangle is any triangle with 2 sides that are equal in length. We have moved all content for this concept to for better organization. For a triangle to be equilateral, it must also have equal angles. Just because you have more than what you need, doesn't mean you aren't that too. Always, sometimes, and never on triangles Quiz. However, an isosceles triangle is never an equilateral triangle. But I don't know if the definition of an isosceles triangle say only 2 equal sides or just at least 2 equal sides? Originally Answered: Is an equilateral triangle always, sometimes or never an acute triangle? Who cares what the exact definition of an isosceles triangle is? The triangle given below is an equilateral triangle because all the sides are equal (i.e, 4cm) with angle 60 degrees each. More: According to this article http://en.wikipedia.org/wiki/Isosceles_triangle. The measure of each angle of a triangle is 60 degrees. Hope that helps. ( at least 2 equal sides 2 angles sum to 180, or never there are 2. 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