Final answer:
True, we can use the Pythagorean theorem to calculate the length of the resultant vector obtained from the addition of two vectors at right angles.
Step-by-step explanation:
The statement is true. We can use the Pythagorean theorem to calculate the length of the resultant vector obtained from the addition of two vectors that are at right angles to each other.
The Pythagorean theorem states that in a right triangle, the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. In the case of the addition of two vectors at right angles, the resultant vector acts as the hypotenuse of a right triangle.
Using the Pythagorean theorem, we can calculate the length of the resultant vector by taking the square root of the sum of the squares of the magnitudes of the two vectors.