Gunakan alat ANGLE[icon]https://www.geogebra.org/images/ggb/toolbar/mode_angle.png[/icon] untuk mengukur 3 sudut interior segitiga yang ditunjukkan.[br]Juga, gunakan alat ini untuk menemukan dan menampilkan ukuran satu sudut interior (kiri bawah).[br][br]Setelah selesai (atau jika Anda tidak yakin akan sesuatu), jangan ragu untuk memeriksanya dengan menonton screencast senyap cepat di bawah applet.[br][color=#6d9eeb]Use the ANGLE tool to measure the 3 interior angles of the triangle shown. [br]Also, use this tool to find and display the measure of the one interior angle (lower left). [/color]

Use the ANGLE [icon]/images/ggb/toolbar/mode_angle.png[/icon] tool to measure the 3 interior angles of the triangle shown. [br]Also, use this tool to find and display the measure of the one interior angle (lower left). [br][br][color=#0000ff]When you're done (or if your unsure of something), feel free to check by watching the quick silent screencast below the applet. [/color]