Answer:ABD is equal to CDB
Step-by-step explanation:
The reason you can tell is if you was to fold them both they would match up
Use the Pythagorean theorem

to find the missing side length of a right triangle
In this case, after you plug in the given numbers your equation is

Then, Just solve that equation for y.



y = 16
So the answer is B, 16 cm.
I hope this helps, please feel free to ask questions if you're still confused :)
Since 2+8 =10 you would just have 3 left to add so it would be 10+3=13
The length is 9.
The formula to find the perimeter of a rectangle is
2L + 2W = P.
2L + 2(4) = 26.
2L + 8 = 26.
2L + 8 (-8) = 26 (-8).
2L = 18.
2L/2 = 18/2.
L = 9.
Answer:
143ft
Step-by-step explanation:
12in is 1 foot and 13x11 (11x13) is 143