What is the area of the region bounded by the lines $y=x, y=0$ and $x=4$ ?

• A

  4 square units
• Correct answer
  B

  8 square units
• C

  12 square units
• D

  16 square units

Solution

Area $=\frac{1}{2} \times 4 \times 4=8$ square unit.

Hence, the correct answer is option: 'B'.