11+ Spatial Reasoning Quick Practice Tests Age 10-11 for the CEM tests (Letts 11+ Success)

11+ Spatial Reasoning Quick Practice Tests Age 10-11 for the CEM tests (Letts 11+ Success)

Matematika poster segitiga dengan tinggi 12m jika luas poster 90m² brp alasnya mencari alasnya​

poster segitiga dengan tinggi 12m jika luas poster 90m² brp alasnya mencari alasnya​

L = 1/2 × a × t

90 = 1/2 × a × 12

90 = 12/2 × a

90 = 6a

a = 90/6

a = 15

[answer.2.content]