In a rectangle the length is 40 mm and breadth is 30 mm. What is the length of its diagonal in cm?
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Answer:
50mm.
Step-by-step explanation:
Refer the diagram below.
From the diagram,
40mm, 30mm, and the diagonal form a right angled triangle.
Hypotenuse - diagonal
sides - 40mm, 30mm.
According to pythagoras theorem,
Hypotenuse (diagonal) = √(40)² + (30)²
Diagonal = √2500
Diagonal = 50mm.
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