ilonkaip6323
31.08.2019 •
Mathematics
The perimeter of the rectangle below is 94 units. find the length of side bc.
write your answer without variables.
dc= 2x+3 da= 3x-1
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Ответ:
Length BC = 26
Step-by-step explanation:
Perimetre = 94
; Perimetre = 2(2x + 3) + 2(3x - 1)
; 94 = 4x + 6 + 6x - 2
; 94 - 4 = 10x
; 90 = 10x
;Therefore the value of x = 9Hence the length of BC
BC = 3(9) - 1
; BC = 26
Ответ:
70 of C, 136 of B, 204 of A
Step-by-step explanation: