Find the surface area to the nearest tenth

Mathematics

2 answers:

erastova [34]4 years ago

7 0

Answer:

184.8 because

Step-by-step explanation:

if you do the surface area of pyramid math then your answer will come up to 189.093 and your first answer is closest to that by tenths so that will be your answer 184.8

zlopas [31]4 years ago

3 0

Answer: A. 184.8ft2

Step-by-step explanation:

The pyramid is made up of four sides that are rectangular, each side has a height of 12.4ft and base length of 6ft.

The base area is a square of 6ft by 6ft.

For the sides, area of a triangle is 1/2 x base x height

= 1/2 x 6 x 12.4 = 37.2m2

For the four triangles = 4 x 37.2 = 148.8m2

For the square base, area is 6 x 6 = 36m2

Total surface area = 148.8 + 36 = 184.8ft2

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