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31-03-2024
Mathematics

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Florida Test Prep
10. Find the length of the unknown diagonal when the area is
231 square millimeters.
21 mm

Respuesta :

roohafzah roohafzah

31-03-2024

Answer :

21.5 mm

Explanation :

area of a square = side^2

s^2 = 231 mm^2
s = √(231 mm^2)
s = 15.198684.. mm

we know that,

diagonl = s√2
diagonl = 15.198684.. mm*√2
diagonl = 21.5 mm (1 d.p.) .

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