Respuesta :

Answer:

9

Step-by-step explanation:

that shape you are seeing that has an x is a trapezium

so,area of a trapezium is ½(a+b)×h

so now you are finding height

height =a plus b divided by ½

=11+7÷½

that is ½ divided by 18 which is=9

so your answer is 9

please mark as brainlest

mhanifa

Answer:

8.57

Step-by-step explanation:

  • (x+15)/11=15/7
  • x+15=15*11/7
  • x=15*4/7=60/7=8.57

Otras preguntas