An umbrella you bought is shaped like a regular octagonal pyramid with a side length of four feet and a slant height of feet. Es

Question

MatroZZZ [7]

3 years ago

15

An umbrella you bought is shaped like a regular octagonal pyramid with a side length of four feet and a slant height of feet. Es

timate the amount of fabric that the umbrella has.

Mathematics

1 answer:

Angelina_Jolie [31] · Answer 1 · 2022-06-25T01:39:32+03:00

Angelina_Jolie [31]3 years ago

8 0

The complete question in the attached figure

we know that
[<span>amount of fabric]=8*[area of lateral triangle side]
area of lateral triangle side=(1/2)*4*5----> 10 ft</span>²
so
[amount of fabric]=8*[10]----> 80 ft²

the answer is
80 ft²