Question

The area of the trapezium is 34cm
Work out the value of x.​

Answer 1

Answer:

as area of trap.=1/2*height*(sum of parallel sides)

so 34=1/2*4*(6+x)

34=2(6+x)

34/2=6+x

17-6=x

therefore, x=11 cm

Answer 2

1/2×h×(a+b)= area

1/2×4×(6+x)=34

2×(6+x)=34

12+ 2x=34

2x=22

x=22/2=11