Drag to build the Dot Product

Multiply matching components, then add them.

Vector u
Vector v
{{ getS1Item(0).val }}
{{ getS1Item(1).val }}
+
{{ getS1Item(2).val }}
{{ getS1Item(3).val }}
All placed!
Correct!
Not quite. Group X's together and Y's together!

Tap grid to find perpendicular

Vectors are perpendicular if

Tap to cycle formula

Unlock the equation to find the angle

u v θ
Formula Unlocked!

Slide to project

Find the shadow (projection) of onto

☀️
v u
Length: {{ Number(s4.slider).toFixed(1) }}
🚀

Master of Vectors!

You've built dot products, found perpendiculars, unlocked the angle formula, and projected shadows.

{{ drag.item.val }}