PLEASE HELP WILL GIVE BRAINLIEST! What is the surface area of the square pyramid?

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[ ] in²

105 in^2

Step-by-step explanation:

Area of the square:

5 × 5 = 25

Area of a triangle:

(8 × 5) ÷ 2 = 20

Multiply for four triangles:

20 × 4 = 80

Add the areas:

25 + 80 = 105

The area is 105 in^2!

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies