Question

The area of trapezium is 323 square metres parallel side b 16 meters height 19 meter find missing value of a

Answer 1

Answer:

18.

Step-by-step explanation:

Area of trapezium =1/2×(sum of parallel sides)× height

323=1/2×(a+16)×19

646=(a+16)×19

646 /19 = (a+16)

34= a+16

a= 34-16

a=18

the missing value is 18.

Answer 2

HEYA MATE ! ! !

Side a is 18 m

Please see the above attachment for steps.