Answer:
The answer is 11, hope i helped!
The two triangles with the given perimeter is attached .
Perimeter is the sum of all sides.
For the first triangle , sies are 2a,2a and b.
So the perimeter is

For the second triangle, sides are a,a, and 2a+b. Therefore perimeter is

So for both triangles, perimeter is

sin 270° has the value of -1 sweety
7 ig because I mean if you take a look at the problem
144/200=0.72 or 72%
225/100=2.25 or 225%
42/50=0.84 or 84%
Brainliest?