4x + 4 + 4x = 180 so solve for x and it’s 22
1. 4x + 4
92
2. 88
Answer:
Rectangle w=72
Step-by-step explanation:
Rectangle
Solve for
width
w
=
72
cm
l
Length
cm
P
Perimeter
cm
Answer:
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
Since we don't want to use the Pythagorean Theorem on all of these, first we look for some Pythagorean Triples. Its very helpful to know some of the common ones, so here's a list:
3, 4, 5
5, 12, 13
7, 24, 25
8, 15, 17
So we either look for these or a multiple of these numbers.
The last one is the only one that fits because 15, 20, 25 is a multiple of the triple 3, 4, 5 by multiplying all of them by 5.
Thus, 15, 20, 25 forms a right triangle.
