The cross -section of a canal is in the form of a trapezium.if the top of canal is 15m wide,the bottom is 8m and the area of cross -section is 138 m square,find its depth
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Given that
a=15m
b=8m
area=138m square
(a+b)
------- h =138
2
(15+8)×h= 276
23h = 276
h=276/23
h=12 m
Therefore Dept of canal is 12m
a=15m
b=8m
area=138m square
(a+b)
------- h =138
2
(15+8)×h= 276
23h = 276
h=276/23
h=12 m
Therefore Dept of canal is 12m
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