Jessica weighed her dog at the end of each month for three months. At the end of the first month, her dog gained 12.48 pounds. After the second month, her dog gained 20.57 pounds. After the third month, her dog gained 26.34 pounds. How many pounds, in total, did Jessica's dog gain after three months?

57.39 pounds

59.39 pounds

60.38 pounds

61.39 pounds

1 and 2

step-by-step explanation:

2 x 503

step-by-step explanation:

its 1006

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!