15. A rectangular field is to be fenced on three sides,
leaving a side of 20 cm uncovered. If the area of
the field is 680 m², how many meter of fencing
is required ?
Answers
Answered by
4
Answer:
length of one side is 20 m and area is 680 m
2
⇒ Length of other side =
20
680
=34 m
Now, length of fencing required for the three sides =34+34+20 = 88 m
Mark As Brainlist
Answered by
6
ANSWER ⤵️
length × breadth = area of rectangle
20 × breadth = 680
breadth = 680/20 = 34
As one side of 20 cm is uncovered
so metre of fencing required = 2B + L
= 2(34) + 20
= 68 +20
= 88 m
Similar questions