exam
Maths Puzzle
Numerical Ability
What percent of 40 is 25
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exam Other Question
The floor of a gazebo is a regular 20-gon. If the apothem is 30 feet, find the length of each side to two decimal places.
A circular swimming pool with a diameter of 30 ft and a horizontal bottom contains 22,000 gallons of water. What is the depth of the water in the pool? (one cubic foot contains approximately 7.5 gallons of water.)
Book Answer: 4.15 ft