Peyton is three years younger than justin. matt is four times as old as peyton. if you add together the ages of justin, peyton and matt, the total comes to 39 years. how old are justin, peyton and matt? i need to find the equation

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!

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