. What is the length of a rectangle whose perimeter is 40 cm and base is 5 cm?
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Answered by
0
Answer:
The length of rectangle is 30cm.
Answered by
12
Answer:
diagona-41cm
length- 40 cm
so cutting value
diagonal^2 =lenght^2 +width^2
41^2= 40^2+width^2
width^2=41^2--40^2
width^2=1681--1600
width^2 = 81
widht=9
therefore, the perimeter of rectangle = 2( length+width)
=2(40cm+9cm)
=2× 49cm
=98cm...
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