{"product_id":"key-to-geometry-book-4-perpendiculars-book-mcgraw-hill-9780913684740","title":"Key to Geometry, Book 4: Perpendiculars","description":"\u003cp\u003eKey to Geometry introduces students to a wide range of geometric discoveries as they do step-by-step constructions. Using only a pencil, compass, and straightedge, students begin by drawing lines, bisecting angles, and reproducing segments. Later they do sophisticated constructions involving over a dozen steps. When they finish, students will have been introduced to 134 geometric terms and will be ready to tackle formal proofs.\u003c\/p\u003e \u003cp\u003eIncludes: Book 4 of Key to Geometry\u003c\/p\u003e","brand":"WoB","offers":[{"title":"US \/ GOOD \/ SBYB","offer_id":49518653505809,"sku":"CIN0913684740G","price":5.64,"currency_code":"USD","in_stock":false},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":50482997887249,"sku":"CIN0913684740VG","price":16.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0913684740.jpg?v=1751235318","url":"https:\/\/www.worldofbooks.com\/products\/key-to-geometry-book-4-perpendiculars-book-mcgraw-hill-9780913684740","provider":"World of Books ","version":"1.0","type":"link"}