Question

May I please receive help?

Answer 1

You just need to multiply 12 ft by 11ft

Answer 2

4.8 feet

Explanation:

a² + b² = c²

a² + 11² = 12²

a² + 121 = 144

a² = 23

a =
`√(23)`

a, or the height of the kite ≈ 4.8

Have a nice day!

I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather