Answer:
Add all of your given parts and set them equal to 360. Your equation should look like this: U+61+2U-49+2U-32=360
Solve for U and your answer should be U=76
keeping in mind that the sum of all exterior angles in a polygon is 360°. Check the picture below.
Answer: Where is the problem???
Step-by-step explanation:
D
Factor:
x^2+5x-300=0
(x-15)(x+20)=0
x=15 is the width
x+5=20 is the length
