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Is the Pythagorean theorem is true for all similar triangles?
Only right triangles.
Does the Pythagorean relationship apply to all triangles?
NO!!!! Only to right angles (90 o) triangles. For other types of triangle, you have to use a construction line, which has a right angle in it.
How many triangles in star of David?
If it is in the form of two inverted triangles, then there are 8 triangles. If only the outline is used, there are 0 triangles.
Does 2 equilateral triangles make a square?
No, two equilateral triangles do not make a square. A square has four equal sides and four right angles, while an equilateral triangle has three equal sides but three angles that add up to 180 degrees. When two equilateral triangles are put together, they do not form a shape with four equal sides and four right angles, which is the defining characteristic of a square.
Is all acute triangles similar?
Only if they have the same angles
Can law of cosines can only be applied to acute triangles?
No, it applies to all triangles.
Can The law of cosines can only be applied to acute triangles?
No, it applies to all triangles.
What is the formula for the third side of a triangle?
a2+b2=c2, but that only works for right triangles, where c is opposite the right angle. The law of cosines, see Related Link below, will help for non right triangles, but you need to know one of the angles.
Can trigonometry be applied only in right angled triangles?
No. It can be used on any triangle.
Is it true that Pythagorean theorem can only be used for right-angled triangles?
Yes. The Pythagorean Theorem is true for only right triangles. However, a variety of other similar equations can be used for other triangle types. Law of Sines: a/sinA = b/sinB = c/sinC Law of Cosines: c2 = a2 + b2 - 2ab*cosC
Will the pythagorean theorem work with the measure of the sides of any triangle?
The Pythagorean theorem only applies to right triangles, where one angle measures 90 degrees. It states that the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. For triangles that are not right triangles, different formulas, such as the Law of Cosines, must be used to relate the sides and angles.
Does pythagoras' theorem work for all triangles?
no only right triangles
Does the Pythagoream Theorem Work on all triangles?
No, only right triangles
Does Pythagorean Theorem apply to triangles?
Yes. But only right triangles.
Is The HL Congruence Postulate of Triangles only for right triangles?
yes
Do all triangles have right angles?
No. Only right triangles do, and not all triangles can be right triangles. Equilateral triangles, for example, are always 60°-60°-60°. Isosceles and scalene triangles can be right triangles; all isosceles triangles have the additional useful property of being able to be split into two right triangles.
Is the Pythagorean theorem is true for all similar triangles?
Only right triangles.
