CalculatorUser

CuteDramione you probably havent learned the laws yet.

law of cosines:

c^2 = a^2 + b^2 - (2ab)C

where a b c are sides and C is angle

have you taken trigonometry yet?

This might be quite impossible if you havent learned it yet.

thank you so much! that is a very beatiful solution I will make sure in the future to use the same strategy!

yes i used to play roblox when I was a little kid! what is yoru username? XD

So basically he means that you have to use elimination.

Dont actually solve for A B C just get it where you have one equation and it is a + b + c = ?

PS i like your profile pic :D

nikels are 5 cents

quarters are 25 cents

so make equation

5x + 25y = 85

Notice how quarters can only amount to 25, 50, and 75 cents. This means there can only be (1, 2, 3) quarters.

So plug 1, 2, and 3 in the equation for y and find the answers!

Sorry I posted again I was confused by the explanation... I dont understand why it works.

It is locked now I couldnt reply to the answer today.

@Logic you may have counted wrong... or you may have missed the square underneath the overhanging cube.

Draw this out if you are having trouble visualizing

PAD is an equilateral triangle with a length of 6, this means that the hexagon base is 6 inches long in total.

If you divide the hexagon into 6 equilateral triangles, then each has a side length of 3 by dividing 6 in half knowing the hexagon's height.

So the sum of the edges of the HEXAGON is 18

The sum of the edges on the pyramid is 36

So the answer is 54