Reason / rede (1) answer /antwoord (1) 8.1.2 = 180°- (58° + binne<∆ sum int<∆/som 𝑥) Reason/ rede (1) answer /antwoord (1) = 93° 8.1.3 = 29° alt. < / verw. < reason / rede (1) 𝑧 𝑥= answer /antwoord (1) 8.2 = (10m)2 (8m)2 Pythagoras – = 100m2 64m2 – (1) = m2 = 6 m A = l x b 6 8 x = 6 8 x answer /antwoord (1) = 48 m2 (1) 8.3.1 Triangular prism answer /antwoord (1) Pythagoras 8.3.2 = 29,44mm SA = + 3( = 2[ x 34 x 29,44] + 3(170 x 34) = 1000,96 + 17340 (1) substitution / substitusie = 18340,96 mm2 (1) 1000,96 + 17340 (1) answer /antwoord TOTAL / TOTAAL 14 marks / punte QUESTION 9 SOLUTIONS MARK ALLOCATION VRAAG 9 OPLOSSING PUNTE TOEKENNING 9.1 See annexure C / bylaag C image / refleksie (2) 9.2.1 See annexure C / bylaag C image / refleksie (3) 9.2.2 6 (units) answer / antwoord (1) TOTAL / TOTAAL 6 marks / punte QUESTION 10 SOLUTIONS MARK ALLOCATION
Reason / rede answer /antwoord (1) (1) 8.1.2 = 180°- (58° + 𝑥) sum int<∆/som binne<∆ = 93° Reason/ rede answer /antwoord (1) (1) 8.1.3 𝑧 = 𝑥= 29° alt. < / verw. < reason / rede answer /antwoord (1) (1) 8.2 = (10m)2 – (8m)2 Pythagoras = 100m2 – 64m2 = m2 = 6 m A = l x b = 6 x 8 = 48 m2 6 x 8 answer /antwoord (1) (1) (1) 8.3.1 Triangular prism answer /antwoord (1) 8.3.2 Pythagoras = 29,44mm SA = + 3( = 2[ x 34 x 29,44] + 3(170 x 34) = 1000,96 + 17340 = 18340,96 mm2 substitution / substitusie 1000,96 + 17340 answer /antwoord (1) (1) (1) TOTAL / TOTAAL 14 marks / punte QUESTION 9 VRAAG 9 SOLUTIONS OPLOSSING MARK ALLOCATION PUNTE TOEKENNING 9.1 See annexure C / bylaag C image / refleksie (2) 9.2.1 See annexure C / bylaag C image / refleksie (3) 9.2.2 6 (units) answer / antwoord (1) TOTAL / TOTAAL 6 marks / punte QUESTION 10 SOLUTIONS MARK ALLOCATION
Gr_9_Revision_Papers.docx