Find a missing side of a right triangle

Use a² + b² = c² and solve for the missing leg: subtract the known leg squared from the hypotenuse squared.

1. A right triangle has legs of 27 km and 120 km. How long is the hypotenuse, in km?
2. A right triangle has legs of 42 km and 40 km. How long is the hypotenuse, in km?
3. A right triangle has a hypotenuse of 82 m and one leg of 80 m. How long is the other leg, in m?
4. A right triangle has legs of 22 cm and 120 cm. How long is the hypotenuse, in cm?
5. A right triangle has legs of 12 cm and 5 cm. How long is the hypotenuse, in cm?
6. A right triangle has a hypotenuse of 52 m and one leg of 48 m. How long is the other leg, in m?
7. A right triangle has legs of 140 m and 48 m. How long is the hypotenuse, in m?
8. A right triangle has legs of 27 m and 120 m. How long is the hypotenuse, in m?
9. A right triangle has a hypotenuse of 85 m and one leg of 75 m. How long is the other leg, in m?
10. A right triangle has legs of 175 km and 60 km. How long is the hypotenuse, in km?
11. A right triangle has a hypotenuse of 51 cm and one leg of 24 cm. How long is the other leg, in cm?
12. A right triangle has legs of 45 cm and 24 cm. How long is the hypotenuse, in cm?
13. A right triangle has a hypotenuse of 145 km and one leg of 105 km. How long is the other leg, in km?
14. A right triangle has a hypotenuse of 52 cm and one leg of 48 cm. How long is the other leg, in cm?
15. A right triangle has a hypotenuse of 25 km and one leg of 7 km. How long is the other leg, in km?
16. A right triangle has a hypotenuse of 85 km and one leg of 40 km. How long is the other leg, in km?
17. A right triangle has a hypotenuse of 34 m and one leg of 16 m. How long is the other leg, in m?
18. A right triangle has a hypotenuse of 119 km and one leg of 105 km. How long is the other leg, in km?
19. A right triangle has legs of 240 m and 44 m. How long is the hypotenuse, in m?
20. A right triangle has legs of 12 cm and 35 cm. How long is the hypotenuse, in cm?