alleryThe length of the diagonal of a rectangle 6 cm by 8 cm is
A10 cm
B12 cm
C14 cm
D8 cm
Answer & Solution
Correct answer: A. 10 cm
Diagonal = sqrt(6^2 + 8^2) = sqrt(36 + 64) = sqrt(100) = 10 cm.
Classic 6-8-10 right triangle.
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