Answer:
68 farinheit
Step-by-step explanation:
Answer:
Length: 21 cm and Width: 6cm
Step-by-step explanation:
Let
be the width and
length of the rectangle. We know:
-------- eq. 1
(Perimeter of the rectangle) ------- eq. 2
Substitute equation 1 in equation 2:

Using the value of y, we find x.

Answer:
A triangle
Step-by-step explanation: The two squares lean against each other
Answer:
I don't see a polygon anywhere...