clanky70 clanky70

24-05-2021
Mathematics

contestada

Find the area 7cm 12cm 9cm

Find the area 7cm 12cm 9cm class=

Respuesta :

akbusiness987 akbusiness987

24-05-2021

Answer:

139.5 cm²

Step-by-step explanation:

12 · 9

108 cm²

7 · 9

63

63 ÷ 2

31.5 cm²

108 cm² + 31.5 cm²

139.5 cm²

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