Answer:
≈ 13.8564 square cm
Explanation:
This is an equilateral triangle whose area is given by
where a is the length of each side
Since a = 4√2 cm
a² = (4√2)² = 4² (√2)² = 16(√2)² cm²
(√2)² = 2
So a² =(16)2 = 32 cm²
Area = (√3) (32/4) = (√3)(8) ≈ 13.8564 square cm