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]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)
L = 1/2 × a × t
90 = 1/2 × a × 12
90 = 12/2 × a
90 = 6a
a = 90/6
a = 15
[answer.2.content]