[Q]: Objective: how to make a tent floor more comfortable
[A]: lay down a layer of foam tiles, before placing your sleeping bag.

[Q]: Objective: how to find the area of a pentagon
[A]: Start with the side length and apothem. This method works for regular pentagons, with five equal sides. ... Divide the pentagon into five triangles. ... Calculate the area of a triangle. ... Multiply by five to find the total area.

[Q]: Objective: To make a disc sander for a lathe durable enough.
[A]: Use a double layer of plywood.

[Q]: Objective: How to make a classic vinaigrette
[A]:
Whisk 2 tablespoons red wine vinegar, 2 teaspoons dijon mustard, 1/2 teaspoon kosher salt, and pepper to taste. Gradually whisk in 1/3 to 1/2 cup olive oil.