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Help! I don’t understand this and I need help! “What is the length of the missing side?” Also D was cut off but it says 90

Help I dont understand this and I need help What is the length of the missing side Also D was cut off but it says 90 class=

Respuesta :

zalrishawi08

Answer:

The missing side = 30 cm

Step-by-step explanation:

Pythagorean Theorem

a^2 + b^2 = c^2

40^2 + b^2 = 50^2

1600 + b^2 = 2500

-1600             -1600

b^2=900

square root of both sides

b=30 cm

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