From the figure, what is the value of a?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → 8
The figure is a trapezium with parallel sides 6 cm and a cm and height 5 cm. Its area is half the sum of the parallel sides times the height.
\(\displaystyle \frac{1}{2}\times(6+a)\times5=35\)
\(6+a=14\)
\(a=8\)