Question

li measured the diameter of a circle in two different directions. measuring vertically, she got 1.5 cm and measuring horizontally, she got 1.6 cm. explain some possible reasons why these two measurements differ.

Explanation:

1. Measurement error: The measuring tool might not have been aligned precisely, or the person measuring could have read the scale inaccurately.
2. The shape is not a perfect circle: The object might be an ellipse or have some irregularities, so the diameters in different directions vary.

Answer:

Possible reasons are measurement error and the object not being a perfect circle.