Answer:
28cm²
Step-by-step explanation:
area of trapezium = 1/2( a + b)h
1/2× ( 6+8) × 4
1/2 × 14 ×4 = 28
28 cm²
A = (b + B)×h/2
= (6cm + 8cm)×4cm/2
= 14cm×2cm
= 28 cm²
