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18-02-2022
Mathematics

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how can we solve the area and the perimeter of rectangle and triangle

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Аноним Аноним

18-02-2022

Answer:

rectangle (length = 2, breadth = 1)

A = lb = 2 x 1 = 2

P = 2(l + b) = 2(1 + 2) = 6

triangle (b = 3 and h = 3) (s1 = 2 and s2 = 4 and s3 = 7)

A = 1/2bh = 1/2 x 3 x 3 = 9/2 = 4.5

P = s1 + s2 + s3 = 2 + 4 + 7 = 13

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