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Which statement about triangles cannot be proved for all triangles?
if a triangle is acute, then the triangle is equilateral
Are the sides of a triangle prism all congruent?
No. Because two are triangles and three are rectangles. A triangle cannot be congruent to a rectangle!
Are all right triangles equilateral triangles?
no. In fact a right angled triangle cannot be equilateral. An equilateral triangle is also equiangular: that is, all its angles are equal. The sum of all three angles of a [plane] triangle must be 180 degrees and so they cannot be 90 deg each.
How do you form 8 triangles from 6 sticks?
Use three sticks to form a triangle. Use the other three sticks to form an inverted triangle and place it on top of the first. You will have two large triangles and six small ones - eight triangles in all. The shape is also known as the Star of David.
Do all triangles have reflection symmetry?
Only if they are in the form of an isosceles or an equilateral triangle.
Which statement about triangles cannot be proved for all triangles?
if a triangle is acute, then the triangle is equilateral
Are all triangles regular?
A triangle is only a regular triangle in the form of an equilateral triangle
What cannot be made by a medium triangle and 2 small triangles?
A circle, for sure.
What is the side length b in the triangle below A 8 B 16 C 2.8 D 23.3?
There is no triangle below. Furthermore, there are four measures given and some of the triplets cannot form triangles.
Are the sides of a triangle prism all congruent?
No. Because two are triangles and three are rectangles. A triangle cannot be congruent to a rectangle!
Which quadrilateral and triangles are always similar?
None. A quadrilateral cannot be similar to any triangle.
Are all right triangles equilateral triangles?
no. In fact a right angled triangle cannot be equilateral. An equilateral triangle is also equiangular: that is, all its angles are equal. The sum of all three angles of a [plane] triangle must be 180 degrees and so they cannot be 90 deg each.
Can a triangle have two angles?
No, a triangle cannot have two angles. Triangles always have three sides and three angles that add up to 180 degrees.
How do you form 8 triangles from 6 sticks?
Use three sticks to form a triangle. Use the other three sticks to form an inverted triangle and place it on top of the first. You will have two large triangles and six small ones - eight triangles in all. The shape is also known as the Star of David.
Do all triangles have reflection symmetry?
Only if they are in the form of an isosceles or an equilateral triangle.
Is it possible to make a triangle with 2 right angles?
No you cannot make a triangle with two right angles. In all triangles the sum of the angles is always 180°. Also all triangles have three angles. If there are two right angles, you already have 180° and cannot have another angle to complete the triangle.
How to find x in triangles with only one angle?
A triangle cannot have only one angle!
