find the perimeter of the rectangle whose length is 40cm and its diagonal is 41cm
Answers
Answered by
8
Given,
Length of rectangle = 40 cm.
Diagonal =41 cm
Length²+Breadth² =Diagonal²
Breadth
=√41²-40²
=√1681-1600
=√81
Hence,Breadth=9 cm.
Perimeter=2(Length+Breadth)
=2*(40+9)
=98cm
Length of rectangle = 40 cm.
Diagonal =41 cm
Length²+Breadth² =Diagonal²
Breadth
=√41²-40²
=√1681-1600
=√81
Hence,Breadth=9 cm.
Perimeter=2(Length+Breadth)
=2*(40+9)
=98cm
Answered by
4
for ans see above fig
Attachments:
Similar questions