Geometry
posted by helen .
Find the length of d in simplest radical form of he diagonal of a cube with sides of s units.

Geometry 
Steve
diagonal of a square is √(s^2+s^2) = s√2
diagonal of a cube is √(s^2+s^2+s^2) = s√3
Think of it as the hypotenuse of a triangle perpendicular to the base, where one leg is the base diagonal (s√2) and the height is s, making the hypotenuse
h^2 = 2s^2 + s^2 = 3s^2 
Geometry 
joanna
each triangle is a 45 degrees45 degrees90 degrees.find the value x
Respond to this Question
Similar Questions

mathneed help
A right rectangular tank with a 12 unit by 8 unit base is filled with water to a depth of 5 units. The water rises 1.5 units when a solid cube is completely submerged in the tank. In simplest radical form, the edge of the cube is k*cube … 
Geometry
Find the perimeter and area of a square with diagonal length of 20cm.. Leave your answer in simplest radical form 
Geometry
Two sides of a rhombus form a 120º angle. The length of each side is 6 in. Explain how to find the area of the rhombus, and then calculate the area. Leave your answer in simplest radical form. 
Geometry
Two sides of a rhombus form a 120º angle. The length of each side is 6 in. Explain how to find the area of the rhombus, and then calculate the area. Leave your answer in simplest radical form. 
Geometry
A square has a side length of 95. What is the length of the diagonal of the square? 
geometry
In the accompanying diagram of circle O, chord AB busects CD at E. If AE=8 and BE=9, find the length of CE in simplest radical form. 
math grade 10
A cube has a volume of 1280 cubic feet. Determine the edge length of the cube as a radical in simplest form. 
math
In a regular hexagon, what is the ratio of the length of the shortest diagonal to the length of the longest diagonal? 
Geometry Help?
Can anyone check my answers? * = My answer 1. Find the length of the missing side. Leave your answer in simplest radical form (1 point) The triangle is not drawn to scale. Sides 4 on the bottom and 3 on the side a. 25 b. 144 c. 5 d. 
Math
The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. My Work: Step 1: a^2 + b^2 = c^2 =(x1)(x1) x1 equals to all the sides of the cube Step …