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pashok25 [27]
3 years ago
14

Karina and Perry are cleaning up litter in the park for community service hours. Karina and Perry both claim they have covered t

he greatest area. Who is correct? Justify your answer using mathematical reasoning.

Mathematics
1 answer:
Damm [24]3 years ago
5 0

Answer:

Perry is correct, she covered the greatest area = 18 square units.

Step-by-step explanation:

Looking at the attached diagram, the shapes are rectangular and they are on grid or graph

Note that on a graph:

1 square box = 1 unit

Area of rectangle = Length × Width

For Karina

The Width = 3 units

The length = 4 units

The area which Karina covered = 3 units × 5 units

= 15 square units

For Perry

The Width = 9 units

The length = 2 units

The area perry covered = 9 units × 2 units

= 18 square units

Therefore, Perry is correct, she covered the greatest area = 18 square units.

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