Respuesta :

suspho

Answer:

21.2 in

Step-by-step explanation:

from the figure we understand that it is a right angled isosceles triangle, so we use the Pythagorean theorem

w = √(15²+15²)

w = √(225+225)

w = √450

w = 21.21

round to 1 decimal place

w = 21.2

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