All the students in the sixth grade either purchased their lunch or brought their lunch from home on monday.

- 24% of the students purchased their lunch.
- 190 students brought their lunch from home.

how many students are in the sixth grade

a.) 76
b.) 166
c.) 214
d.) 250

step-by-step explanation:

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!