# dist3: Distances and the Pythagorean Theorem (Single-Choice)

Exercise template for computing the distance (single-choice) between two randomly-drawn points in a Cartesian coordinate system.

Name:
`dist3`
Related:
Description:
Computing the (Euclidean) distance between two randomly-drawn points by using the Pythagorean Theorem. In addition to the correct solution, four false alternatives are generated through `num_to_schoice()` by providing two common errors along with a range and minimal delta for two further random solutions.
Solution feedback:
Yes
Randomization:
Random numbers and graphics
Mathematical notation:
Yes
Verbatim R input/output:
No
Images:
Yes
Other supplements:
No
Template:
Raw: (1 random version)

(Note that the HTML output contains mathematical equations in MathML. It is displayed by browsers with MathML support like Firefox or Safari - but not Chrome.)

Demo code:

``````library("exams")

set.seed(1090)
exams2html("dist3.Rnw")
set.seed(1090)
exams2pdf("dist3.Rnw")

set.seed(1090)
exams2html("dist3.Rmd")
set.seed(1090)
exams2pdf("dist3.Rmd")``````