Answer:
300 cm
Step-by-step explanation:
20 cm times 20 cm for the area of the whole rectangle.
Then you do 10 cm times 10 cm for the area of the inner rectangle.
Lastly you subtract the area of the inner rectangles from the whole rectangle itself to get 300 cm which is the area of the shaded region.
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Step-by-step explanation:
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Answer:
valarie had 28 pencils , she gave 15 pencils away to people. How many pencils will she have left?
Step-by-step explanation:
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