The diameter of a piston is 4 inches. Find the total force on the piston head if the pressure is 200 Ibs./sq. in. 14. The perimeter of a rectangle is 80 ft. What is the width of the rectangle if the length is 25 ft. ? 15. A field is to contain 7200 sq. ft.

Title | : | A Manual of Mathematics for Prospective Air Corps Cadets |

Author | : | Carroll Vincent Newsom, Harold Daniel Larsen |

Publisher | : | - 1942 |

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