The area of a square is equal to twice the perimeter of the square. Find the perimeter of the square.
Choose one answer.
a.
8 units

b.
16 units

c.
64 units

d.
32 units

Question

The area of a square is equal to twice the perimeter of the square. Find the perimeter of the square.
Choose one answer.
	a.
8 units
	
	b.
16 units
	
	c.
64 units
	
	d.
32 units

anonymous · Answer

Area = s^2 
Perimeter = 4s 

Given area = 2*perimeter 
This implies, 
S^2 = 8s 
Cancelling s on both sides we get s=8 

Therefore perimeter = 4*8 = 32 sq units

anonymous · Answer

thanks  do you know this one 

Suppose a gas tank is in the shape of a cylinder. The tank is 10 feet long and 5 feet in diameter. Find the amount of metal used to construct the tank.
Choose one answer.
	a.
128.5 ft2
	
	b.
257 ft2
	
	c.
392.6 ft2
	
	d.
196.3 ft2

anonymous · Answer

i dont think i know how to do that equation

anonymous · Answer

its ok thanks anyways

anonymous · Answer

Np c:

anonymous · Answer

ok what about this one

Five times the width of a certain rectangle exceeds twice its length by one inch, and three times its length is ten more than its perimeter. Find the width of the rectangle.
Choose one answer.
	a.
21 inches
	
	b.
10 inches
	
	c.
42 inches
	
	d.
52 inches