Answer:
A = 18 cm²
Explanation:
the area (A) of a triangle is calculated as
A = bh ( b is the base and h the perpendicular height )
The 2 legs are perpendicular to each other , so
b = 6 and h = 6 , then
A = × 6 × 6 = 3 × 6 = 18 cm²
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bh ( b is the base and h the perpendicular height ) × 6 × 6 = 3 × 6 = 18 cm²