The arrangement of 8 coins produces a square, with 3 coins per side and no coins in the centre of the square, you can move 4 of the coins to give a square with 4 coins per side. how do you move the coins? (think outside the box)

answer: -8.2562234e+13

sites:

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

the area of the rectangle is 35units^2.

step-by-step explanation:

graph it and find the distance.

it is a 5*7 rectangle.

therefore the area is 35units^2.