The height of a rectangular prism has a 20 cm by 12 cm base and a 30 cm diagonal. Find the unknown dimension.
Answer (1)
3 0 2 = 2 0 2 + 1 2 2 + x 2 or x 2 = 900 − 400 − 144 = 356 or x = 356 cm. You might get some factors out if you wish.
3 0 2 = 2 0 2 + 1 2 2 + x 2 or x 2 = 900 − 400 − 144 = 356 or x = 356 cm. You might get some factors out if you wish.
