I assume you mean the mixed number 1 + 7/9.
As an improper fraction, we have
1 7/9 = 1 + 7/9 = 9/9 + 7/9 = (9 + 7)/9 = 16/9
Then the square root of this is
√(1 7/9) = √(16/9) = √(4²/3²) = √((4/3)²) = 4/3
It is a trapezoid. If you slice the pyramid you get two shapes, a triangle, and a trapezoid. The correct two-dimensional shape is the trapezoid.
I think it would be the second one
It’s B. Dan is 124 miles from home at noon and is traveling at 62 miles per hour