Answer
D.pentagonal pyramid
Step-by-step explanation:
Answer:
Layout A needs 4.8 m more fencing
Step-by-step explanation:
Khan academy answer
You substitute the given value of y into the equation
8x+4(3x+8)=12
Solve the equation for x
x= -1
Substitute the given value of x into the equation y=3x+8
y=3x (-1)+8
Solve the equation for y
y=5
Answer: (x= -1) (y= 5)
formula perimeter of a rectangle
= l + l + w + w
=2l + 2w
Perimeter of rectangle
21 + 2w = 16
<em>as</em><em> </em><em>you</em><em> </em><em>know</em><em> </em><em>2</em><em>1</em><em> </em><em>is</em><em> </em><em><u>2</u></em><em><u>l</u></em><em><u>,</u></em><em><u> </u></em>
one length
2l = 21
l =21/2
l = 10.5
Answer
10.5 inches