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a photograph measuring 20 cm by 12 cm is mounted on a rectangular cardboard leaving a margin of 2 cm around. what is the area of the cardboard that is not covered by the photograph​? (need ko po talaga pls)

Sagot :

Answer:

6 centimeter

Step-by-step explanation:

I don't know maybe

just correct me if I'm wrong.

Answer:

The area of the photograph is 40 cm² and the area of the cardboard is 91 cm². To find the area, you have to get the product of the length and the width or use the formula A = L × W. The unit to use for the answers should be in the squared unit.