A rectangular television screen has a perimeter of 200 cm and one side of length 40 cm . What is its area?

A.
\(2000 \mathrm{~cm}^{2}\)
B.
\(2400 \mathrm{~cm}^{2}\)
C.
\(3200 \mathrm{~cm}^{2}\)
D.
\(8000 \mathrm{~cm}^{2}\)
Mathematics
Competition
Math League
Exam No:2020 First Round Grade 3 Year:2020 Question No:15

Answer:

B

Knowledge points:

G3 - Geometry - Area (Rectangles - Formula)

Solution:

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