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If the length of a rectangular television screen is 40 inches and its height is 30 inches, what is the length of its diagonal, in inches?

Pls help me its due in a hour :(

Respuesta :

Answer:

50 inches

Step-by-step explanation:

30²+40² = c² (c²= diagnol)

900+ 1600 = √2500

√2500 = 50

This is also a pythagorean triple (30,40,50).

The answer is 50 inches