I WILL GIVE YOU BRAINERLEST AND A LIKE As part of her art project, Sarah is
painting the lateral faces of 2 identical
triangular pyramids. Each lateral face
has a base of 6 centimeters and a
height of 8.5 centimeters. What is the
total area that she will paint?

alot

step-by-step explanation:

its a wood chuck that can chuck wood

(b) 240

step-by-step explanation:

first, we use the pythagorean formula using the given side lengths to find x. then we use x to find the side lengths. then we add the side lengths to find the perimeter.

pythagorean theorem formula:

a^2 + b^2 = c^2

(x - 20)^2 + (x - 40)^2 = x^2

x^2 - 40x + 400 + x^2 - 80x + 1600 = x^2

x^2 -120x + 2000 = 0

(x - 100)(x - 20) = 0

x - 100 = 0 or x - 20 = 0

x = 100 or x = 20

we see that the solution x = 20 must be discarded because it will give a negative side length and a side length of 0. the only valid solution is x = 100.

perimeter = sum of the lengths of the sides

perimeter = x + x - 20 + x - 40

perimeter = 3x - 60

replace x with 100.

perimeter = 3(100) - 60

perimeter = 300 - 60

perimeter = 240

hello! just here for points! though i wish i knew!

believe it or not anna is correct good job anna give me a fist bump there u go gal