chababonora chababonora

20-02-2020
Mathematics

contestada

the length of one leg of an iscosceles right triangle is 3 ft. What is the perimeter of the triangle?

Respuesta :

amna04352 amna04352

24-02-2020

Answer:

3(2 + sqrt(2)) ft (exact)

10.2 ft (3sf)

Step-by-step explanation:

Length of the hypotenuse:

hypotenuse² = 3² + 3² = 18

hypotenuse = sqrt(18) = 3sqrt(2)

Perimeter = 2(3) + 3sqrt(2)

= 3(2 + sqrt(2))

= 10.2 (3sf)

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