Answer:
A=675cm²
Step-by-step explanation:
Area of triangle=1/2(base × height)
A=1/2(b × h)
A=1/2(6x × 9x)
where x=5
A=1/2(6×5×9×5)
A=1/2(30×45)
A=1/2(1350)
divide 1350 by 2
