I would seriously appreciate if u helped me TvT

Step-by-step explanation:

So we have the equation:

Let's subtract 5 from both sides:

The left side will cancel. Subtract on the right:

Now, add 2 to both sides:

Again, the left side will cancel. Add the right:

And we're done!

i am sure it will be 90 degrees.

step-by-step explanation:

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm