erwrwewr
erwrwewr erwrwewr
  • 05-03-2021
  • Mathematics
contestada

Somebody please help me with 7 and 8 and 9 this my last 10 points

Somebody please help me with 7 and 8 and 9 this my last 10 points class=

Respuesta :

fnej
fnej fnej
  • 05-03-2021

Answer:

7) 120

8) 84

9) 240

Step-by-step explanation:

7) A= bh

A= (40)(30)= 120

8) A= (d1 x d2)/2

A= (14 x 12)/2

A= 84

9) A= 1/2(a+b)(h)

A= 1/2(24 + 16) (12)

A= 240

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