One example of a Glencoe geometry question is as follows: Find the perimeter of a regular pentagon with a side measure of 57 centimeters. Since a regular pentagon has five sides of equal length, multiplying 57 centimeters by five yields the answer of 285 centimeters.
Continue ReadingAnother example of a geometry problem from Glencoe is the following: Write the inverse of the conditional ''If Deanna eats the last cookie, then Leon will buy more.'' In order to find the inverse of a statement, one must negate both the hypothesis and the conclusion. In this case, the hypothesis is the first part of the statement, and the conclusion is the latter. The inverse of the statement, therefore, is "If Deanna does not eat the last cookie, then Leon will not buy more."
In a question utilizing practical application in architecture, Glencoe asks, "On the floor plan for a building, 1 inch represents 20 feet. If the dimensions of a room on the plan are 7/8 inch by 1 1/4 inches, what are the actual dimensions of the room?" To solve this problem, conversion of the inches to feet is helpful. Dividing seven by eight yields the decimal 0.875, and multiplying that by 20 equals 17.5. Converting 1 1/4 inches to feet requires multiplying that number by 20. The answer is 25. The room's actual dimensions are 17.5 feet by 25 feet.
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