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An isosceles triangle has three interior angles whose base angles are equal.
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What is the Converse of isosceles triangle theorem?
The isosceles triangle theorem states that if two sides of a triangle are congruent, the angles opposite of them are congruent. The converse of this theorem states that if two angles of a triangle are congruent, the sides that are opposite of them are congruent.
What are the two congruent sides of an isosceles triangle called?
legs of an isosceles triangle
Are the side of an isosceles triangle perpendicular?
The only requirement for an isosceles triangle is that two sides be the same length and one be different. It is possible for an isosceles triangle to have two perpendicular legs. It would be right and isosceles.
Is the base angles of a trapezoid congruent?
If the trapezoid is an isosceles trapezoid, with congruent legs, then the base angles are congruent. Otherwise, no.
If the vertex of an isosceles triangle has a measure of 70 what is the measure of one base angle?
If the vertex of an isosceles triangle has a measure of 70° what is the measure of one base angleANSWER:Isosceles = 2 legs, 1 vertex, 1 baseTriangle = 180°if its vertex measure 70° , 1 leg ____? + 1 leg____? =180° and all isosceles triangle has congruent legs.180°- 70°=110° then 110° divided by 2 =55°=vertex of an isosceles triangle measure 70° and its 2 legs measure 55°
What is the Converse of isosceles triangle theorem?
The isosceles triangle theorem states that if two sides of a triangle are congruent, the angles opposite of them are congruent. The converse of this theorem states that if two angles of a triangle are congruent, the sides that are opposite of them are congruent.
Definition Base angles of Isosceles triangles?
The base angles of an isosceles triangle are the two angles with the same measure, each formed by the intersection between the base of the triangle and one of the two legs.
What is formed by the congruent legs of an isosceles triangle?
Equal angles and equal lengths
What does isosceles triangle look like?
An isosceles triangle has at least two equal sides and two equal angles An isosceles triangle has two or more congruent sides called legs. In an isosceles triangle with just two congruent sides, the angle formed by the legs is called the apex, and the other two angles, called base angles, are congruent. If the isosceles triangle has three congruent sides (AKA an equilateral triangle), then all three sides and angles are congruent, and there are no definitive base or vertex angles, besides...all of them. See related link below for the web address
What does an isoscels triangle look like?
An isosceles triangle has at least two equal sides and two equal angles An isosceles triangle has two or more congruent sides called legs. In an isosceles triangle with just two congruent sides, the angle formed by the legs is called the apex, and the other two angles, called base angles, are congruent. If the isosceles triangle has three congruent sides (AKA an equilateral triangle), then all three sides and angles are congruent, and there are no definitive base or vertex angles, besides...all of them. See related link below for the web address
What is an isosoceles triangle?
An isosceles triangle is a triangle with two equal sides and two equal angles. The two equal sides are called the legs, and the angle between them is called the vertex angle. The two other angles in an isosceles triangle are equal and are called the base angles.
Why is an isosceles triangle called an icsosceles triangle?
isos = equal, skelos = legs. A triangle with two equal legs is isosceles (not icsosceles!).
What are the two congruent sides of an isosceles triangle called?
legs of an isosceles triangle
How is the isosceles trapezoid related to the isosceles triangle?
If you extend the two legs of an isosceles trapezoid until they intersect, you get an isosceles triangle.
Why is an isoceles triangle called and isoceles triangle?
Actually, it is called an isosceles triangle. In Greek, isosceles means having equal legs: an isosceles triangles has two sides (legs) of equal length.
Can an isoceles triangle have a right angle?
Yes it can. If it does, it's called an "isosceles right triangle". The other two angles are each 45 degrees, and the triangle's legs both have the same length.
The congruent sides of an isosceles triangle?
the legs
