What factors can affect the cleanliness of the water in lakes and rivers? How important is it
to keep the water in lakes and rivers clean?

i believe the answer is the polygon, heptagon.

35-60 students are taking math.

idkidkdidkdkdidkx

step-by-step explanation:

nndncnd cnn

snddnd

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!