Rectangular 46201

Calculate the pyramid's surface with a rectangular base measuring 9cm and 4cm, and 6cm high.

Correct answer:

S =  122.921 cm2

Step-by-step explanation:

h=6 cm a=9 cm b=4 cm  h1=h2+(b/2)2=62+(4/2)2=2 10 cm6.3246 cm h2=h2+(a/2)2=62+(9/2)2=215=7.5 cm  S1=2a h1=29 6.3246=9 10 cm228.4605 cm2 S2=2b h2=24 215=15 cm2  S3=a b=9 4=36 cm2 S=2 S1+2 S2+S3=2 28.4605+2 15+36=122.921 cm2



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
The Pythagorean theorem is the base for the right triangle calculator.

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1   video2

Related math problems and questions: