scabbyj scabbyj
  • 01-06-2021
  • Mathematics
contestada

(7.5)What is the value of x?
X
オー2
x + 5
x + ]
A
7.5
B.
10
C
2.5
D
5

75What is the value of x X オー2 x 5 x A 75 B 10 C 25 D 5 class=

Respuesta :

reinhard10158
reinhard10158 reinhard10158
  • 03-06-2021

Answer:

D 5

Step-by-step explanation:

the same scaling factor s applies to all sides when transforming from the small to the large triangle.

x×s = x + 5

(x-2)×s = x +1

=> s = (x+5)/x

=> (x-2)×(x+5)/x = x + 1

=> x² + 3x - 10 = x² + x

=> 3x - 10 = x

=> 2x = 10

=> x = 5

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