Respuesta :
Answer. According to Pythagoras' Theorem a² + b² = c², The answer is 50 m. Hope this will be helpful.
answer is 50
Answer:
50
Step-by-step explanation:
Using the Pythagorean theory you can find the answer by squaring each side you know. 40 x 40 = 1600. 30 x 30 = 900. Add these together = 2500. Then find the square root of 2500. Square root of 2500 = 50. This is teh diagonal measure.