<span>We have to calculate the length of the missing side.
Use the Pythagorean theorem:


I think. Your answers to choice are wrong.
</span>
Answer:
See image below:) :)
Step-by-step explanation:
If I'm understanding this correctly:
Tiger consumes 18lb/day of food. If we want to calculate how much is consumed in 28 days, assuming that rate is consistent, the answer is 18*28 = 504lb of food.