90-70= 20
angle 4= 20
90-50= 40
angle 6= 40
90-15= 75
angle 8= 75
Width = X
Length = X + 15
Perimeter of a Rectangle = 2W + 2L
2(X) + 2(X + 15)
2X + 2X + 30
4X + 30
Answer = 4X + 30
Hope this helps! :)
120/4=30. Remember its widthxlength. if you forget ask your teacher or look online for more help. Good luck.
Answer:


Step-by-step explanation:
The sum of the interior angles of a triangle is 180 degrees.




Use the exterior angles theorem to find y.
The exterior angle y is the sum of the two remote interior angles:
The sum of angles on a straight line is 180 degrees.



Answer:

Step-by-step explanation:
Start by converting 5 meters to centimeters. Note 1 meter = 100 centimeters.
We can set up a unit converter:

The meters cancel out leaving us with:

The scale factor is:
