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Name the type of special quadrilateral that will appear when you join two congruent equilateral triangles?
There are two types of quadrilaterals that are formed when two congruent equilateral triangles are joined. These shapes are rhombus and parallelogram.
Is an equilateral triangle equal to an isosceles triangle?
An isosceles triangle has at least two congruent sides. An equilateral triangle has three congruent sides. So, an equilateral triangle is a special case of isosceles triangles. Since the equilateral triangle has three congruent sides, it satisfies the conditions of isosceles triangle. So, equilateral triangles are always isosceles triangles. Source: www.icoachmath.com
What is a special pyramid whose faces are all congruent equilateral triangles?
It is a regular triangle pyramids
Equilateral triangle has one angle that is exactly 90 degrees?
An equilateral triangle is a special isosceles triangle in which all three sides are congruent. Equilateral triangles are also equiangular, which means all three angles are congruent. The measure of each angle is 60 degrees.
Can an equilaterial triangle also be an isoseles triangle?
An isosceles triangle has two congruent sides, and An equilateral triangle is a special isosceles triangle in which all three sides are congruent.Therefore, all equilateral triangles are isosceles
What are 3 types of special triangles?
iscoseles,scalene,& equilateral
What type of quadrilaterals has four congruent angles?
Rectangles - and squares, as a special case.
What quadrilaterals opposite sides are congruent?
A parallelogram (and all its special cases) has two pairs of opposite sides that are congruent. An isosceles trapezium has one pair of congruent opposite sides. Selected irregular quadrilaterals can have a pair.
Which quadrilaterals have opposite sides that are congruent?
A parallelogram. A rhombus, rectangle or square are special cases.
What shapes quadrilaterals are consecutive and opposite angles always congruent?
Rectangles, of which squares are a special case.
A isosceles triangle is a special type of equilateral triangle?
Not ... exactly. It would be closer to accurate to say that an equilateral triangle is a special case of the isosceles triangle.All equilateral triangles are (also) isosceles; but most isosceles triangles are not equilateral.
Why congruence is a special case of similarity?
Term similar is more wide than term congruent. For example: if you say that two triangles are congruent that automatically means that they are similar, but if you say that some two triangles are similar it doesn't have to mean that they are congruent.
