Answer:
54 cm^2
Explanation:
FORMULA FOR AREA OF TRIANGLE: Bh/2
(9x12)/2=
108/2
=54 cm^2
54 ft*2.
Area of a triangle = 1/2 * base * perpendicular height.
This is a right angles triangle so its perpendicular height is 9 ft.
So the area = 1/2 * 12 * 9
= 6 * 9
= 54 ft*2.
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