Work out the area of a rectangle with base, b = 38mm and perimeter, P = 100mm

456

Explanation:

Get the two side lengths out of the total perimeter then subtract that then u have the length of the two other sides then divide that by two then multiply the two sides

456mm²

Explanation:

38x2=76

100-76=24

24/2=12

b=38

h=12

38x12=456

456mm²

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