Marta made an error while finding the product 84.15x10. In your own words, explain Marta's misunderstanding. "I wanted to multiply 84.15 x 10,
sol put a zero at the end to get my answer. 84.15 x 10 = 84.150"*

step-by-step explanation:

a ≈ 172.05

step-by-step explanation:

the pictures.

the answer is:

the lateral area is equal to

to find the lateral area of the square pyramid, first we need to find the perimeter of the base, and then, find the lateral area using the following formulas:

where,

s, is the base length

slant height, is the height of a the side of the pyramid

we are given:

now, calculating the perimeter of the base, we have:

then, calculating the lateral area:

hence, we have that the lateral area is equal to

have a nice day!