Tick () the correct option.9. The cross-section of a canal is in the f

1.	Tick () the correct option.9. The cross-section of a canal is in the form of a trapezium. If the canal top is 10 m wide and theis 6 m wide and the area of cross-section is 72 m2, then the depth of the canal is(a) 10 m(b) 7 m(c) 6 m(d) 9 m
Answer» Area of trapezium=(1/2)(sum of parallel sides)height72cm²=(1/2)(10+6)depth144=16depth9m =depth Option d is correct

Tick () the correct option.9. The cross-section of a canal is in the form of a trapezium. If the canal top is 10 m wide and theis 6 m wide and the area of cross-section is 72 m2, then the depth of the canal is(a) 10 m(b) 7 m(c) 6 m(d) 9 m

Answer»

Area of trapezium=(1/2)(sum of parallel sides)*height72cm²=(1/2)*(10+6)*depth144=16*depth9m =depth

Option d is correct