does anyone know the answer to the question below:

Answer:
7.61577 or 7.6
Step-by-step explanation:
1. Count the length of the bottom (3) and the left side (7)
2. Pug in to the equation a^2+b^2=c^2
3. Solve
3^2+7^2=c^2
9+49=c^2
58=C^2
√58=c
c=7.61577310586