Respuesta :

a equals 54
im thinking b equals 12 but i could be wrong 
a is right though
apologiabiology
area rectangle=length times height
area triangle=1/2 times base times height

so
rectnalge=6 by9 or 54 square cm

triangle=1/2 times 8 times h=4h

same area
54=4h
diivde by 4 both sides
13.5=h
or
27/2=h




a. 54
b. 27/2 or 13.5 (same thing)

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