Find the hypotenuse of a right triangle

Use a² + b² = c² where c is the hypotenuse.

1. A right triangle has legs of 40 m and 9 m. How long is the hypotenuse, in m?
2. A right triangle has legs of 105 cm and 36 cm. How long is the hypotenuse, in cm?
3. A right triangle has legs of 9 km and 40 km. How long is the hypotenuse, in km?
4. A right triangle has legs of 9 cm and 40 cm. How long is the hypotenuse, in cm?
5. A right triangle has legs of 45 m and 24 m. How long is the hypotenuse, in m?
6. A right triangle has legs of 12 km and 35 km. How long is the hypotenuse, in km?
7. A right triangle has legs of 24 km and 7 km. How long is the hypotenuse, in km?
8. A right triangle has legs of 36 cm and 160 cm. How long is the hypotenuse, in cm?
9. A right triangle has legs of 120 cm and 22 cm. How long is the hypotenuse, in cm?
10. A right triangle has legs of 36 km and 15 km. How long is the hypotenuse, in km?
11. A right triangle has legs of 200 m and 45 m. How long is the hypotenuse, in m?
12. A right triangle has legs of 120 m and 27 m. How long is the hypotenuse, in m?
13. A right triangle has legs of 25 m and 60 m. How long is the hypotenuse, in m?
14. A right triangle has legs of 48 m and 20 m. How long is the hypotenuse, in m?
15. A right triangle has legs of 40 km and 9 km. How long is the hypotenuse, in km?
16. A right triangle has legs of 16 m and 12 m. How long is the hypotenuse, in m?
17. A right triangle has legs of 22 m and 120 m. How long is the hypotenuse, in m?
18. A right triangle has legs of 18 km and 24 km. How long is the hypotenuse, in km?
19. A right triangle has legs of 24 km and 45 km. How long is the hypotenuse, in km?
20. A right triangle has legs of 147 km and 140 km. How long is the hypotenuse, in km?