21. 4. 20209 473 zhlédnutíWhen two right triangles share an acute angle measure, the ratios of the corresponding side lengths within the triangles are equal.View more lessons or pract...
21. 4. 20205 807 zhlédnutíKeep going! Check out the next lesson and practice what you’re learning:https://www.khanacademy.org/math/geometry/hs-geo-trig/xff63fac4:hs-geo-trig-ratios-si...
14. 10. 202110 tis. zhlédnutíRolling ball sculpture / Marble Run made by Robert Kalinovich.Available for purchase here: https://www.etsy.com/ca/listing/1087751074/rolling-ball-sculpture...