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PLEASE HELP!!!! YOU DON"T MULTIPLY THEM TOGETHER I ALREADY TRIED THATIf you help me and get it right I will mark brainliest and more!!!

PLEASE HELP YOU DONT MULTIPLY THEM TOGETHER I ALREADY TRIED THATIf You Help Me And Get It Right I Will Mark Brainliest And More class=

Sagot :

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Answer:

The surface area of this prism is 800 ft^2

Step-by-step explanation:

To get this answer you need to add all the base edges, which will equal to 40. Then you times 40 with 20 which will equal to 800 ft^2. Hope this helps!

Answer:

520ft^2

Step-by-step explanation:

triangles

A=1/2bh

A=60

since both those half triangles make one trianlge there is no need to multipply 60 by 2

back rectangular

A= l x w

A= 8x20

A= 160

face rectangle

A= l x w

A=20 x 17

bottom rectangle

A=lxw

A = 300

add it all up

60+160+300=520ft^2

LET ME KNOW IF I MADE A MISTAKE

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