Verwandte Artikel zu An exercise book in arithmetic; oral and written
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Inhaltsangabe
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910 Excerpt: ...the largest wheel that can be got through a doorway measuring 7 feet by 5? 8. A square field contains 10 acres. What is its diagonal? 9. What is the distance between the opposite corners of a field 200 rods long and half as wide? 10. How many rods do I save by taking the diagonal of a field 75 rods wide and 200 rods long, instead of going around the corner? 11. What is the altitude of an equilateral triangle whose base is 24 feet? 12. From the corner of a 12-inch square I cut an isosceles triangle one of whose equal sides is 5 inches. What is the area of that part of the large square which remains? 13. The base of an isosceles triangle is 84 feet, and one of the other sides is 50 feet. What is the altitude? 14. My son's kite is 1500 feet directly above the spot on which I am standing, and my son holds the string 1800 feet away. How much string has he let out? Allow 25 feet for sagging. 15. A flagpole is 125 feet high. Another pole on the opposite side of the street, 60 feet wide, is 75 feet high. What is the distance between the tops of the two poles? 16. What must be the length of a guy rope if one end of the rope is attached to the derrick 50 feet from the ground and the other is attached to the ground 30 feet from the foot of the derrick? 17. What must be the length of a ladder to reach to a window 30 feet from the ground if it rests on the ground 8 feet from the wall of the building? THE CIRCLE Written Problems 1. What is the relation of the circumference of a circle to its diameter? 2. How is the area of a circle found? Explain how the rule is obtained. 3. Find the diameter of a wheel that makes 660 revolutions in going a mile. 4. How many revolutions per mile will a 28-inch bicycle wheel make? 5. What is the area of a circular ring that is 3 inches in...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910 Excerpt: ...the largest wheel that can be got through a doorway measuring 7 feet by 5? 8. A square field contains 10 acres. What is its diagonal? 9. What is the distance between the opposite corners of a field 200 rods long and half as wide? 10. How many rods do I save by taking the diagonal of a field 75 rods wide and 200 rods long, instead of going around the corner? 11. What is the altitude of an equilateral triangle whose base is 24 feet? 12. From the corner of a 12-inch square I cut an isosceles triangle one of whose equal sides is 5 inches. What is the area of that part of the large square which remains? 13. The base of an isosceles triangle is 84 feet, and one of the other sides is 50 feet. What is the altitude? 14. My son's kite is 1500 feet directly above the spot on which I am standing, and my son holds the string 1800 feet away. How much string has he let out? Allow 25 feet for sagging. 15. A flagpole is 125 feet high. Another pole on the opposite side of the street, 60 feet wide, is 75 feet high. What is the distance between the tops of the two poles? 16. What must be the length of a guy rope if one end of the rope is attached to the derrick 50 feet from the ground and the other is attached to the ground 30 feet from the foot of the derrick? 17. What must be the length of a ladder to reach to a window 30 feet from the ground if it rests on the ground 8 feet from the wall of the building? THE CIRCLE Written Problems 1. What is the relation of the circumference of a circle to its diameter? 2. How is the area of a circle found? Explain how the rule is obtained. 3. Find the diameter of a wheel that makes 660 revolutions in going a mile. 4. How many revolutions per mile will a 28-inch bicycle wheel make? 5. What is the area of a circular ring that is 3 inches in...
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