- A36 cm
- B24 cm
- C72 cm
- D18 cm
Step-by-Step Solution
Length = cm. cm. (18 is 12 + 6 without doubling; 72 is the area.)
Answer: A) 36 cm
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Rules and Formulas with Variables practice questions