Friday

February 27, 2015

February 27, 2015

Posted by **Susie** on Monday, December 9, 2013 at 1:16pm.

Length 5 m

Width ?

Height ?

Surface Area 94 m to the second power

Volume 60 m to the third power

Please answer the one's with a ?. Thank you.

- Geometry -
**Steve**, Monday, December 9, 2013 at 2:41pmwe know that

w*h*5 = 60

2*5*w + 2*5*h + 2*w*h = 94

since w = 12/h, that gives

10(12/h) + 10h + 2(12/h)(h) = 94

120 + 10h^2 + 24h = 94h

10h^2 - 70h + 120 = 0

h^2-7h+12=0

(h-3)(h-4) = 0

h is 3 or 4, so

w is 4 or 3

The prism is 3x4x5

**Answer this Question**

**Related Questions**

Geometry - Find the missing numbers for the dimensions and measures of a ...

Geometry - Find the missing numbers for the dimensions and measures of a ...

geometry - Given a rectangular prism with dimensions w = 3, l= 4, and h = 6. If ...

Math - A rectangular prism has a volume of 960cm. It's width, length, and ...

MATH-Stuck - For each of the following, the Surface Area is given. Calculate the...

Geometry - A rectangular prism has the following characteristics. It has a ...

geometry - calculate the area, surface area, and volume for a right rectangular ...

geometry - The surface area of a right rectangular prism is 112 sq units. The ...

math PLEASE HELP!!!!! - Rectangular Prism: Length: 41 ft Width: 32 ft Height: 49...

geometry - Find the surface area of a rectangular prism with a height of 11, a ...