Question: Did I do Question 3a correctly? 8x + 2 70 2x - 30 8 x +2 +70+ 60= 180 N 2 x - 50+ 2ex

Did I do Question 3a correctly?

8x + 2 70 2x - 30 8 x +2 +70+ 60= 180 N 2 x - 50+ 2ex - 30 Hx+ 10= 180 8 x + 132 = 180 5 x - 71 = 180 - 132_- 132 5 x + 710 = 180+70 8x = 48 5 x = 250 8 X = 6 3. Find the area of the shapes below X = 50 a. b. 9 cm : 7 cm 2.3 ft a = Ibh 1.5 2.1 ft I ft 14 cm 2 = =( 7 ( 14 ) 2.8 ft a = 49 cm A = 1 ( 2. 8 ) 1.5 1 = = ( 98 ) A = 2 . Iff A = = ( 4 12 ) C. 24 mm d. 13 9 km 12 mm 11 mm mm 28 mm 11.2 km | 10 km 6 ( b ) h ) A 1( 52 ) (11 ) ( bit b2 ) ( h ) A = = ( b ) Ch) 2 ( 572 ) 2 ( 28 +24 ) ( 11 ) A - La A= 286 mm

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