The straight line joining the middle points of two sides of a triangle is parallel to the third side and equal to half of it 46 INTERCEPTS BY PARALLEL LINES. Euclid - Page 99by Euclid, Rupert Deakin - 1903 - 164 pagesFull view - About this book
| Arithmetic - 1970 - 742 pages
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| Linda Bostock, Suzanne Chandler, F. S. Chandler - Juvenile Nonfiction - 1979 - 660 pages
...In Questions 1—8 give proofs based on vector methods. 1) Prove that the line joining the midpoints **of two sides of a triangle is parallel to the third side and equal to half of it.** 2) Prove that the internal bisectors of the angles of a triangle are concurrent. 3) Prove that the... | |
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