WEBVTT 00:00:00.000 --> 00:00:00.690 00:00:00.690 --> 00:00:04.990 Deci ni se spune ca semidreapta [OL este perpendiculara pe semidreapta [ON. 00:00:04.990 --> 00:00:07.640 Deci OL este perpendicular pe ON. 00:00:07.640 --> 00:00:10.020 Adica stim ca acesta de aici este un unghi drept, 00:00:10.020 --> 00:00:11.600 00:00:11.600 --> 00:00:15.190 00:00:15.190 --> 00:00:18.060 00:00:18.060 --> 00:00:22.360 00:00:22.360 --> 00:00:24.937 00:00:24.937 --> 00:00:28.100 00:00:28.100 --> 00:00:31.000 00:00:31.000 --> 00:00:34.480 00:00:34.480 --> 00:00:38.440 00:00:38.440 --> 00:00:40.730 00:00:40.730 --> 00:00:43.339 00:00:43.339 --> 00:00:45.380 00:00:45.380 --> 00:00:47.505 00:00:47.505 --> 00:00:48.720 00:00:48.720 --> 00:00:50.330 00:00:50.330 --> 00:00:52.020 00:00:52.020 --> 00:00:53.710 00:00:53.710 --> 00:00:56.880 00:00:56.880 --> 00:01:00.130 00:01:00.130 --> 00:01:02.820 00:01:02.820 --> 00:01:12.990 00:01:12.990 --> 00:01:17.410 00:01:17.410 --> 00:01:19.610 00:01:19.610 --> 00:01:21.830 00:01:21.830 --> 00:01:23.164 00:01:23.164 --> 00:01:24.580 00:01:24.580 --> 00:01:25.460 00:01:25.460 --> 00:01:26.690 00:01:26.690 --> 00:01:29.720 00:01:29.720 --> 00:01:32.419 00:01:32.419 --> 00:01:33.710 00:01:33.710 --> 00:01:36.700 00:01:36.700 --> 00:01:39.220 00:01:39.220 --> 00:01:41.550 00:01:41.550 --> 00:01:42.450 00:01:42.450 --> 00:01:45.060 00:01:45.060 --> 00:01:49.140 00:01:49.140 --> 00:01:53.220 00:01:53.220 --> 00:01:55.950 00:01:55.950 --> 00:02:00.630 00:02:00.630 --> 00:02:02.240 00:02:02.240 --> 00:02:04.280 00:02:04.280 --> 00:02:07.470 00:02:07.470 --> 00:02:11.770 00:02:11.770 --> 00:02:23.300 00:02:23.300 --> 00:02:27.430 00:02:27.430 --> 00:02:32.550