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EASY I AM JUST DUMB!! WILL GIVE BRANLIEST!!! HELP ASAP!!!!

18. Find the unknown side of the triangle below (round to the nearest tenth).
CLICK IMAGE TO SEE THE NUMBERS BETTER!!!!!!

A) 21.2 cm
B) 18 cm
C) 26.9 cm
D) 22.9 cm

EASY I AM JUST DUMB WILL GIVE BRANLIEST HELP ASAP18 Find the unknown side of the triangle below round to the nearest tenthCLICK IMAGE TO SEE THE NUMBERS BETTERA class=

Respuesta :

wegnerkolmp2741o

Answer:

D) 22.9 cm

Step-by-step explanation:

This is a right triangle so we can use the Pythagorean theorem

a^2 + b^2 = c^2

10^2 + x^2  = 25^2

100 + x^2 = 625

Subtract 100 from each side

x^2 = 525

Take the square root of each side

sqrt(x^2) = sqrt(525)

x =22.91287857

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