Answer:

Explanation:
Hello, I think I can help you with this
To solve this you can use the Pythagorean theorem, which states
in a right triangle:

the hypotenuse is the longest length of the triangle, in this case JK
Step 1
Let
side1= 2 cm
side2= 2 cm
hypotenuse=unknown=JK
isolate the hypotenuse from the equation

It's a distance, we'll only take the positive root
put the values into the formula

the length JK is

have a good day