Find the area of the figure! Please help me I really need it

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!