Answer:
Step-by-step explanation:
L= 3W
Perimeter = 2(l+w) = 40
2(3w+w) = 40
2*4w = 40
8w =40
w = 5
l = 3*5 = 15
Answer:
the origin
Step-by-step explanation:
The hypotenuse of a 45 45 90 triangle equals one of the legs times the square root of 2
hypotenuse = 8 *
<span>
<span>
<span>
1.4142135624
</span>
</span>
</span>
hypotenuse =
<span>
<span>
<span>
11.3137084990
</span>
</span>
</span>
Source:
http://www.1728.org/trig2.htm
D
You figure out the absolute value by determining how far the number is from the point 0 on a number line.