MEDAL AND FAN

The area of the base of a prism is 21 cm2. The perimeter of the base is 20 cm. The height of the prism is 8 cm.

What is the surface area of the prism?

Question

MEDAL AND FAN

The area of the base of a prism is 21 cm2. The perimeter of the base is 20 cm. The height of the prism is 8 cm.
 
What is the surface area of the prism?

winsteria · Answer

@sdfgsdfgs

sdfgsdfgs · Answer

here is a page that should help :) http://www.teacherschoice.com.au/maths_library/area%20and%20sa/area_9.htm

winsteria · Answer

okay

winsteria · Answer

like can you help me with the steps?

sdfgsdfgs · Answer

The question specifies what kind of prism? rectangular or trigular?

winsteria · Answer

well they don't say it they just give me the sizes lol @sdfgsdfgs

sdfgsdfgs · Answer

Guess it is not absolutely necessary. Plz look at the prizm shapes on the linked page.

Total surface area = top + bottom + side wall area

OK?