Answer:
114cm² (rounded off to 3 significant figures)
Explanation:
formula for area of circle: πr² (where r is the radius of the circle)
radius = diameter ÷ 2
= 12 ÷ 2
= 6cm
area = π(6)²
= 36π
= 113.973 (6s.f.)
= 114 (3s.f.)
hence, the mold's area is 114cm²
