Triangular prism

Calculate the surface of a triangular prism with the base of an equilateral triangle with a side length of 7.5 cm and a corresponding height of 6.5 cm. Prism height is 15cm.

Correct answer:

S =  386.25 cm2

Step-by-step explanation:

a=7.5 cm v=6.5 cm h=15 cm  S1=2a v=27.5 6.5=8195=24.375 cm2 o=3 a=3 7.5=245=22.5 cm  S=2 S1+o h=2 24.375+22.5 15=41545 cm2=386.25 cm2



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



Showing 2 comments:
#
Zye
where did you get the 8.5 value, the given side length is 7.5.

#
Matematik
thnk you for found typo fix

avatar







Tips to related online calculators
See also our trigonometric triangle calculator.

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

Related math problems and questions: