Question

Karina and perry are cleaning up litter in the park for community service hours. Karina and perry both claim they have covered the greatest area. Who is correct? Use mathematical reasoning

Answer 1

Karina is correct

Explanation:

See attached

Area that Karina cleaned up:

• 1/2*(6-0)(9-2) = 1/2*6*7 = 21

Area that Petty cleaned up:

• 2*9 = 18

As we see Karina cleaned up more area than Petty, so she is correct