Perimeter is when you add all the sides together...but oh, no! There are two sides missing! So we have to find it. The horizontal like could be x and the vertical, the y. x would be 3 because one side is 7 and the other side is 4, so if we subtract them, we get 3. Same for the vertical, the y would be 3. (3+3=6)
Now we could add all sides to get the last choice, or 26 cm.
Answer:
The answer to your question is: 
Step-by-step explanation:
10
+ 5 
Simplify like terms


For number 3? I think it's 33 because 33x3= 99 and 99+20= 119.
Step-by-step explanation:
Since DE is parallel to BC, the <em>m</em><em>L</em><em> </em>C = 180° -125° = 55°.
so, the measure of <em>L</em><em> </em>B = 180° - <em>L</em><em> </em>A - <em>L</em><em> </em>C =
180° - 60° - 55 = 65°
Answer:
3:8
30/80
18 to 48
Step-by-step explanation:
3:8 (6 and 16 divided by 2)
30/80 (6 and 16 times 5)
18 to 48 (6 and 16 times 3)