ngissel18 ngissel18

31-03-2020
Mathematics

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The figures are similar. Find the value of the variable. A) y=36
B) y=55
C) y=74
D ) y=81

The figures are similar Find the value of the variable A y36 B y55 C y74 D y81 class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

31-03-2020

Answer:

D y= 81

Step-by-step explanation:

Since the triangles are similar, the ratios of similar sides must be equal.

30/54 = 45/ y

We can use cross products

45*54 = 30*y

2430=30y

Divide each side by 30

2430/30 = 30y/30

81 =y

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