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Answer :

Answer:

247

Step-by-step explanation:

Answer:

390 cm²

Step-by-step explanation:

Area of triangle : base ×height

a1= 23×12

a1= 276 cm²

Area of a trapezium : ½ ×height × (base1 + base2)

a2= ½ × 6 × (15+23)

a2= 114 cm²

Area = a1 + a2

Area = 276 + 114

Area = 390 cm²

Hope this helps!