https://www.khanacademy.org/math/geometry/hs-geo-analytic-geometry/hs-geo-distance-and-midpoints/v/distance-formula 2021-06-30T20:49:37Z Distance formula Learn how to find the distance between two points by using the distance formula, which is an application of the Pythagorean theorem. We can rewrite the Pythagorean theorem as d=√((x_2-x_1)²+(y_2-y_1)²) to find the distance between any two points. Sal Khan video https://cdn.kastatic.org/googleusercontent/maCCgPGbvIWgjx9RXq9aqWkv53nqUgjYX1g_mL2TovqWJWe7aMfobUo0fHkpffnDPGUYTdnsZJI0-KqwUuloQvY Distance formula Learn how to find the distance between two points by using the distance formula, which is an application of the Pythagorean theorem. We can rewrite the Pythagorean theorem as d=√((x_2-x_1)²+(y_2-y_1)²) to find the distance between any two points. https://cdn.kastatic.org/ka-youtube-converted/nyZuite17Pc.mp4/nyZuite17Pc.mp4 579 Finding distances in the coordinate plane https://www.khanacademy.org/math/geometry/hs-geo-analytic-geometry/hs-geo-distance-and-midpoints/a/distance-formula 2022-06-13T22:23:00.945663613Z Distance formula Walk through deriving a general formula for the distance between two points. article https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:introduction-to-three-dimensional-geometry-ncert-new/x0419e5b3b578592a:untitled-1055/e/distance-between-two-points 2026-04-07T22:59:30.107127435Z Distance between two points Second exercise in Intro to 3D exercise https://www.khanacademy.org/math/geometry/hs-geo-analytic-geometry/hs-geo-distance-and-midpoints/a/distance-formula-review 2022-06-13T22:23:00.945663613Z Distance formula review Review the distance formula and how to apply it to solve problems. article https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/pythagorean-theorem-application/e/use-pythagorean-theorem-to-find-area-and-perimeter 2026-05-04T16:10:46.51963925Z Use Pythagorean theorem to find perimeter Find the perimeter of triangles and quadrilaterals by first using the Pythagorean Theorem to find missing side lengths. Lindsay exercise https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-pyth-theorem/v/pythagorean-theorem-with-right-triangle 2023-05-09T21:01:11.605979523Z Pythagorean theorem with isosceles triangle To find the value of a base (x) in an isosceles triangle, first split the triangle into two congruent right triangles by drawing an altitude. Then, use the Pythagorean theorem to create an equation involving x. Finally, solve the equation to find the unknown base, x. video https://cdn.kastatic.org/ka_thumbnails_cache/2c9f7c97-d91f-44cf-aca5-8f76cf54b1f8_1280_720_base.png Pythagorean theorem with isosceles triangle To find the value of a base (x) in an isosceles triangle, first split the triangle into two congruent right triangles by drawing an altitude. Then, use the Pythagorean theorem to create an equation involving x. Finally, solve the equation to find the unknown base, x. https://cdn.kastatic.org/ka-youtube-converted/TjOlZr_2uW4.mp4/TjOlZr_2uW4.mp4 228 Finding distances in the coordinate plane https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-pythagorean-theorem/e/use-pythagorean-theorem-to-find-side-lengths-on-isosceles-triangles 2026-05-04T16:10:46.51963925Z Use Pythagorean theorem to find isosceles triangle side lengths Find a missing side length on an acute isosceles triangle by using the Pythagorean theorem. Lindsay exercise