08-09-2019
Mathematics

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Does anyone know this one

Does anyone know this one class=

Respuesta :

thedemon840 thedemon840

08-09-2019

Answer:

29.04

Step-by-step explanation:

Firstly solve the side BC...by using the pythagoras theorem,

; BC^2 = AB^2 + AC^2

; BC^2 = (8)^2 + (9)^2

; BC = square root of ( 64 + 81 )

; BC = 12.04

Hence the perimetre of triangle ABC

; 12.04 + 9 + 8

;Perimetre = 29.04

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