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A square has a side length of 10cm. Work out the length of a diagonal of the square.​

User Cuizizhe
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2 Answers

10 votes

Answer: Let x = the length of a side of the square

a2 + b2 = c2

x2 + x2 = 102

2x2 = 100

x2 = 50

x = √50

x = 5√2 cm

Explanation:

User Boba Fett Likes JS
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9 votes

d=√2

a=√2.10 ≈14.14214cm

=14.14cm

User EddieBytes
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