Exercise 3

(Bain te kauabong)

Exercise 3. "An arc tangent to a line and a circle"

Korea te circle ae 25mm ana Radius, ao teuana te line ae e biri i rarikina.

Te tangential arc are e na katomaa te line ma te circle bon 25mm naba ana radius.

Ko na ikota ana Radius te circle ma ana radius te arc tangent: 25 + 25 = 50. Kaurea am compass nakon R50, ao man ana center the circle korea am arc i rarikin te line.

Ao manga korea am points aika uoua (2) i aon te line.

Kaurea am compass nakon radius 25mm ao katoai points P1 ma P2 n korea am arcs, n aron anne e oti i nano.

Anaa am ruura (ke te set square) n katika te line teuana i aon taian arcs ake uoua ake ko a tiba korei tamneiia.

E na intersect am line anne (red) ma am moan arc n te point teuana (01). Tomaa te point 01 aio ma ana center te circle. Te tabo are e koreaki iai te circle ao e a reke PC1. I muina ao katea te right angle man point 01 nakon te moan line are ko koreiia ba e na reke te point ae PC2.

Iai points aika uoua (2) aika ana reke PC1 ao PC2. Kabonganaa point 01 ba am centre ao kaurea am compass nakon PC1 ke PC2 ba am radius ao korea am arc tangent man te point PC1 nakon te point PC2.

Katurua am moan line ao e a reke am tamnei : E tomaaki te line teuana ma te circle i roun te arc tangent teuana.

Ngkana e a  tia am tamnei aei ao manga karaoa riki uoua aika a okoro nen aia raain, n aron aika a kaotaki ikai. (Kabonganaa taian abaki man te moan tamnei.)

Click ikai ibukin reitana

Click ikai ibukin Exercise 4