Answer:
9cm
Step-by-step explanation:
Area of a Triangle [tex]=\dfrac12$ X Base X Height[/tex]
[tex]Given:\\$Area of \triangle GHK =117cm^2\\$Base = 26cm\\Therefore:\\117=\dfrac12$ X 26 X h\\117=13h\\Divide both sides by 13 to obtain h\\h=117 \div 13\\$Height of Triangle GHK, h=9cm[/tex]
