All work must be shown 4. Harold works at a state park. He needs to seal the redwood deck at the information center to
protect the wood. He measures the deck and finds that it is a kite with diagonals 40 feet and 70 feet.
a) What is the area of the deck? b) If each gallon of sealant covers 400 square feet, how many
gallons of sealant are needed? c) If the sealant only lasts six months, then how many gallons of
sealant are needed to protect the deck for the next three years?