Want this question answered?

Q: A triangle has two sides of lengths 7 and 12. What value could the length of the third side be Check all that apply.?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

If you know the lengths of the sides, you can use the cosine rule. If you have information about other aspects of the triangle, then other formulae will apply.

With great difficulty since such a triangle cannot exist! The sum of lengths of ANY two sides of ANY triangle must be greater than the third side. That does not apply here so it is an impossible triangle.

That's a perfect time to recall and apply the Pythagorean Theorem:C2 = A2 + B2There is absolutely no finer way to find the length of the hypotenusewhen you know the length of the legs.

The Pythagorean theorem applies to right-angled triangles. It states that the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.

right triangle

Related questions

10

It could be 12 because the sum of the 2 smaller sides of a triangle must be bigger than its largest side.

7, 10, 4 and 12 - apex

If you know the lengths of the sides, you can use the cosine rule. If you have information about other aspects of the triangle, then other formulae will apply.

For the length you apply this formula, after numbering the sides a²=b²+c²-2bcCosA

The lengths of all three sides of the triangle APEX:)

With great difficulty since such a triangle cannot exist! The sum of lengths of ANY two sides of ANY triangle must be greater than the third side. That does not apply here so it is an impossible triangle.

That's a perfect time to recall and apply the Pythagorean Theorem:C2 = A2 + B2There is absolutely no finer way to find the length of the hypotenusewhen you know the length of the legs.

variable word length computer A computer that does not have a fixed word length but operates on data of different word lengths; this may also apply to instruction sizes. The lengths of data words that can be handled are usually in units of charactersor bytes, so that the computer handles strings of characters or bytes. It is then known as a character machine or byte machine respectively. A variable word length computer is particularly important where data is itself of varying lengths (e.g. strings of characters) as well as cases where natural data lengths do not fit word (hardware-restricted) boundaries.

An equilateral triangle is a regular polygon because it has 3 equal sides and 3 equal 60 degree angles that add up to 180 degrees.

You need to know at least one side......after that you can use the angles to apply the equations, SOH CAH TOA.

Pythagoras theorem simply tells you the length of a side of a Right Angled Triangle if the other two sides are given. You only need the length of any two sides to calculate the length of the third onePythagoras theorem:Hypotenuse2 = base2 + perpendicular2