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RSB [31]
3 years ago
8

I need help with surface area for a pyrimid please

Mathematics
4 answers:
IrinaVladis [17]3 years ago
6 0
Okay do find the area of a triangle and then add it to the area of the rectangles
exis [7]3 years ago
6 0
SA = Base Area • 2 + base perimeter • distance

SA = 1/2(12•8)+(12+10+10)•10
1/2(96)+(32•10)
48+320
SA= 368
Svetlanka [38]3 years ago
5 0
SA = Base Area • 2 + base perimeter • distance

SA = 1/2(12•8)+(12+10+10)•10
1/2(96)+(32•10)
48+320
SA= 368
kifflom [539]3 years ago
5 0
SA = Base Area • 2 + base perimeter • distance

SA = 1/2(12•8)+(12+10+10)•10
1/2(96)+(32•10)
48+320
SA= 368
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Step 1: A straight line is 180 degrees. So 180 - 100, is 80 degrees. as the opposite angle measurement of the 100 degree.

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