Constructing a Triangle Monday, 31 December 2018 Constructing a Triangle given all three sides

Construct triangle ABC when AB = 10cm, BC = 6cm and AC = 8cm Example Construct triangle ABC when AB = 10cm, BC = 6cm and AC = 8cm Measure and write down the size of angle ABC C Step 1 draw the line AB = 10cm Step 2 setting compasses to 8 cm place them on point A and draw a large arc Step 3 setting your compasses to 6cm place them on point B and draw another arc which intersects the first arc The point of intersection is point C The triangle is completed by drawing lines from C to A and C to B A B

Construct triangle PQRwhen PQ = 4cm, PR = 7cm and QR = 4cm Example Construct triangle PQRwhen PQ = 4cm, PR = 7cm and QR = 4cm Measure and write down the size of angle PQR R P Q

Construct triangle DEF when DE = 7.4cm, DF = 6.8cm and EF = 9.5cm Example Construct triangle DEF when DE = 7.4cm, DF = 6.8cm and EF = 9.5cm Measure and write down the size of angle EDF F D E

Question Construct triangle DEF when DE = 6cm, DF = 7.2cm and EF = 4.5cm Measure and write down the size of angle EDF