Given a rectangle of dimensions 12cm and 5cm.What is the length of its two diagonals
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Length of diagonals are same in rectangle !! Thus both diagonals are of 13 cm !!
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Answer: 13cm.
Step-by-step explanation:in rectangle ABCD,
draw diagonal AC,
∠a=∠b=∠c=∠d=90°
∴in Δabc
∠abc=90°
∴by paythagoras thm.
ac²=ab²+bc²
ac²=5²+12²
ac²=25+144
ac²=169
∴ac=13
∴ diagonal of rectangle is 13 cm.
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