Similar Area and Volume

Two shapes A and B are mathematically similar. What are the correct steps to find Area of shape A?

• 1. 1. Scale factor is 12.

  2. 2. Divide 330 by 12 to get the area of A.

• 1. 1. Shape B is the enlargement of Shape A by scale factor 12.

  2. 2. Multiply the 3 by 144 to get Area of shape A.

• 1. 1. Scale factor of enlargement of A to B is 12.

  2. 2. Divide 330 by 144 to get Area of shape A.

• 1. 1. Scale factor of enlargement of A to B is 6.

  2. 2. Multiply 3 by 36 to get Area of shape A.

Two boxes are mathematically similar. Box A has a length of 4 cm while box B has a length of 8 cm. Find the corresponding volume of box B when box A has a volume of 15 cm³

• 12 units³

• 24 units³

• 60 cm³

• 120 cm³