Arthur2406 Arthur2406
  • 13-03-2021
  • Mathematics
contestada

4
The diagram shows a shape.
12 cm
Diagram NOT
accurately dre
6 cm
9 cm
x cm
The shape has area 129 cm
Work out the value of x.

4 The diagram shows a shape 12 cm Diagram NOT accurately dre 6 cm 9 cm x cm The shape has area 129 cm Work out the value of x class=

Respuesta :

thebecks
thebecks thebecks
  • 13-03-2021

Answer:

x = 7 cm

Step-by-step explanation:

12x9 + 3x = 129

108 + 3x = 129

3x = 21

x = 7 cm

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